[po] auto sync bot

zhsj · zhsj · commit 4712e01194ec · 2019-04-21T22:42:42.000+08:00
diff --git a/library/cmath.po b/library/cmath.po
@@ -249,18 +249,22 @@ msgid ""
 "tolerance is ``1e-09``, which assures that the two values are the same "
 "within about 9 decimal digits.  *rel_tol* must be greater than zero."
 msgstr ""
+"*rel_tol* 是相对容差 —— 它是 *a* 和 *b* 之间允许的最大差值，相对于 *a* 或 *b* "
+"的较大绝对值。例如，要设置5％的容差，请传递 ``rel_tol=0.05`` 。默认容差为 ``1e-09``，确保两个值在大约9位十进制数字内相同。"
+" *rel_tol* 必须大于零。"
 
 #: ../../library/cmath.rst:226
 msgid ""
 "*abs_tol* is the minimum absolute tolerance -- useful for comparisons near "
 "zero. *abs_tol* must be at least zero."
-msgstr ""
+msgstr "*abs_tol* 是最小绝对容差 —— 对于接近零的比较很有用。 *abs_tol* 必须至少为零。"
 
 #: ../../library/cmath.rst:229
 msgid ""
 "If no errors occur, the result will be: ``abs(a-b) <= max(rel_tol * "
 "max(abs(a), abs(b)), abs_tol)``."
 msgstr ""
+"如果没有错误发生，结果将是： ``abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)`` 。"
 
 #: ../../library/cmath.rst:232
 msgid ""
@@ -269,10 +273,12 @@ msgid ""
 "close to any other value, including ``NaN``.  ``inf`` and ``-inf`` are only "
 "considered close to themselves."
 msgstr ""
+"IEEE 754特殊值 ``NaN`` ， ``inf`` 和` `-inf`` 将根据IEEE规则处理。具体来说， ``NaN`` "
+"不被认为接近任何其他值，包括 ``NaN`` 。 ``inf`` 和 ``-inf`` 只被认为接近自己。"
 
 #: ../../library/cmath.rst:241
 msgid ":pep:`485` -- A function for testing approximate equality"
-msgstr ""
+msgstr ":pep:`485` —— 用于测试近似相等的函数"
 
 #: ../../library/cmath.rst:245
 msgid "Constants"
diff --git a/library/math.po b/library/math.po
@@ -6,8 +6,8 @@
 # Translators:
 # focusheart <focusheart@gmail.com>, 2019
 # Dingyuan Wang <abcdoyle888@gmail.com>, 2019
-# Meng Du <alphanow@gmail.com>, 2019
 # Freesand Leo <yuqinju@163.com>, 2019
+# Meng Du <alphanow@gmail.com>, 2019
 # 
 #, fuzzy
 msgid ""
@@ -16,7 +16,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-01-01 10:14+0900\n"
 "PO-Revision-Date: 2017-02-16 23:18+0000\n"
-"Last-Translator: Freesand Leo <yuqinju@163.com>, 2019\n"
+"Last-Translator: Meng Du <alphanow@gmail.com>, 2019\n"
 "Language-Team: Chinese (China) (https://www.transifex.com/python-doc/teams/5390/zh_CN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -182,18 +182,22 @@ msgid ""
 "tolerance is ``1e-09``, which assures that the two values are the same "
 "within about 9 decimal digits.  *rel_tol* must be greater than zero."
 msgstr ""
+"*rel_tol* 是相对容差 —— 它是 *a* 和 *b* 之间允许的最大差值，相对于 *a* 或 *b* "
+"的较大绝对值。例如，要设置5％的容差，请传递 ``rel_tol=0.05`` 。默认容差为 ``1e-09``，确保两个值在大约9位十进制数字内相同。"
+" *rel_tol* 必须大于零。"
 
 #: ../../library/math.rst:132
 msgid ""
 "*abs_tol* is the minimum absolute tolerance -- useful for comparisons near "
 "zero. *abs_tol* must be at least zero."
-msgstr ""
+msgstr "*abs_tol* 是最小绝对容差 —— 对于接近零的比较很有用。 *abs_tol* 必须至少为零。"
 
 #: ../../library/math.rst:135
 msgid ""
 "If no errors occur, the result will be: ``abs(a-b) <= max(rel_tol * "
 "max(abs(a), abs(b)), abs_tol)``."
 msgstr ""
+"如果没有错误发生，结果将是： ``abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)`` 。"
 
 #: ../../library/math.rst:138
 msgid ""
@@ -202,39 +206,42 @@ msgid ""
 "close to any other value, including ``NaN``.  ``inf`` and ``-inf`` are only "
 "considered close to themselves."
 msgstr ""
+"IEEE 754特殊值 ``NaN`` ， ``inf`` 和 ``-inf`` 将根据IEEE规则处理。具体来说， ``NaN`` "
+"不被认为接近任何其他值，包括 ``NaN`` 。 ``inf`` 和 ``-inf`` 只被认为接近自己。"
 
 #: ../../library/math.rst:147
 msgid ":pep:`485` -- A function for testing approximate equality"
-msgstr ""
+msgstr ":pep:`485` —— 用于测试近似相等的函数"
 
 #: ../../library/math.rst:152
 msgid ""
 "Return ``True`` if *x* is neither an infinity nor a NaN, and ``False`` "
 "otherwise.  (Note that ``0.0`` *is* considered finite.)"
 msgstr ""
+"如果 *x* 既不是无穷大也不是NaN，则返回 ``True`` ，否则返回 ``False`` 。 （注意 ``0.0`` 被认为 *是* 有限的。）"
 
 #: ../../library/math.rst:160
 msgid ""
 "Return ``True`` if *x* is a positive or negative infinity, and ``False`` "
 "otherwise."
-msgstr ""
+msgstr "如果 *x* 是正或负无穷大，则返回 ``True`` ，否则返回 ``False`` 。"
 
 #: ../../library/math.rst:166
 msgid ""
 "Return ``True`` if *x* is a NaN (not a number), and ``False`` otherwise."
-msgstr ""
+msgstr "如果 *x* 是 NaN（不是数字），则返回 ``True`` ，否则返回 ``False`` 。"
 
 #: ../../library/math.rst:171
 msgid ""
 "Return ``x * (2**i)``.  This is essentially the inverse of function "
 ":func:`frexp`."
-msgstr ""
+msgstr "返回 ``x * (2**i)`` 。 这基本上是函数  :func:`frexp`  的反函数。"
 
 #: ../../library/math.rst:177
 msgid ""
 "Return the fractional and integer parts of *x*.  Both results carry the sign"
 " of *x* and are floats."
-msgstr ""
+msgstr "返回 *x* 的小数和整数部分。两个结果都带有 *x* 的符号并且是浮点数。"
 
 #: ../../library/math.rst:183
 msgid ""
@@ -245,6 +252,9 @@ msgid ""
 "*even* integer is used for ``n``.  The remainder ``r = remainder(x, y)`` "
 "thus always satisfies ``abs(r) <= 0.5 * abs(y)``."
 msgstr ""
+"返回 IEEE 754 风格的 *x* 相对于 *y* 的余数。对于有限 *x* 和有限非零 *y* ，这是差异 ``x - n*y`` ，其中 "
+"``n`` 是与商 ``x / y`` 的精确值最接近的整数。如果 ``x / y`` 恰好位于两个连续整数之间，则最近的 * even* 整数用于 "
+"``n`` 。 余数 ``r = remainder(x, y)`` 因此总是满足 ``abs(r) <= 0.5 * abs(y)`` 。"
 
 #: ../../library/math.rst:190
 msgid ""
@@ -253,19 +263,24 @@ msgid ""
 "x)`` raise :exc:`ValueError` for any non-NaN *x*. If the result of the "
 "remainder operation is zero, that zero will have the same sign as *x*."
 msgstr ""
+"特殊情况遵循IEEE 754：特别是 ``remainder(x, math.inf)`` 对于任何有限 *x* 都是 *x* ，而 "
+"``remainder(x, 0)`` 和 ``remainder(math.inf, x)`` 引发  :exc:`ValueError` "
+"适用于任何非NaN的 *x* 。如果余数运算的结果为零，则该零将具有与 *x* 相同的符号。"
 
 #: ../../library/math.rst:196
 msgid ""
 "On platforms using IEEE 754 binary floating-point, the result of this "
 "operation is always exactly representable: no rounding error is introduced."
-msgstr ""
+msgstr "在使用IEEE 754二进制浮点的平台上，此操作的结果始终可以完全表示：不会引入舍入错误。"
 
 #: ../../library/math.rst:204
 msgid ""
 "Return the :class:`~numbers.Real` value *x* truncated to an "
 ":class:`~numbers.Integral` (usually an integer). Delegates to "
 ":meth:`x.__trunc__() <object.__trunc__>`."
 msgstr ""
+"返回 :class:`~numbers.Real` 值 *x* 截断为 :class:`~numbers.Integral` （通常是整数）。委托给 "
+":`x.__trunc__() <object.__trunc__>` 。"
 
 #: ../../library/math.rst:209
 msgid ""
@@ -274,6 +289,8 @@ msgid ""
 "pair of values, rather than returning their second return value through an "
 "'output parameter' (there is no such thing in Python)."
 msgstr ""
+"注意 :func:`frexp` 和 :func:`modf` 具有与它们的C等价函数不同的调用/返回模式：它们采用单个参数并返回一对值，而不是通过 "
+"'输出形参' 返回它们的第二个返回参数（Python中没有这样的东西）。"
 
 #: ../../library/math.rst:214
 msgid ""
@@ -283,6 +300,9 @@ msgid ""
 "(the same as the platform C double type), in which case any float *x* with "
 "``abs(x) >= 2**52`` necessarily has no fractional bits."
 msgstr ""
+"对于 :func:`ceil` ， :func:`floor` 和 :func:`modf` 函数，请注意 *所有* "
+"足够大的浮点数都是精确整数。Python浮点数通常不超过53位的精度（与平台C double类型相同），在这种情况下，任何浮点 *x* 与 "
+"``abs(x) >= 2**52`` 必然没有小数位。"
 
 #: ../../library/math.rst:222
 msgid "Power and logarithmic functions"
@@ -294,6 +314,8 @@ msgid ""
 "natural logarithms.  This is usually more accurate than ``math.e ** x`` or "
 "``pow(math.e, x)``."
 msgstr ""
+"返回 *e* 次 *x* 幂，其中 *e* = 2.718281... 是自然对数的基数。这通常比 ``math.e ** x`` 或 "
+"``pow(math.e, x)`` 更精确。"
 
 #: ../../library/math.rst:233
 msgid ""
@@ -303,40 +325,44 @@ msgid ""
 "<https://en.wikipedia.org/wiki/Loss_of_significance>`_\\; the :func:`expm1` "
 "function provides a way to compute this quantity to full precision::"
 msgstr ""
+"返回 *e* 的 *x* 次幂，减1。这里 *e* 是自然对数的基数。对于小浮点数 *x* ， ``exp(x) - 1`` 中的减法可能导致 "
+"`significant loss of precision "
+"<https://en.wikipedia.org/wiki/Loss_of_significance>`_\\ ； :func:`expm1` "
+"函数提供了一种将此数量计算为全精度的方法::"
 
 #: ../../library/math.rst:250
 msgid "With one argument, return the natural logarithm of *x* (to base *e*)."
-msgstr ""
+msgstr "使用一个参数，返回 *x* 的自然对数（底为 *e* ）。"
 
 #: ../../library/math.rst:252
 msgid ""
 "With two arguments, return the logarithm of *x* to the given *base*, "
 "calculated as ``log(x)/log(base)``."
-msgstr ""
+msgstr "使用两个参数，返回给定的 *base* 的对数 *x* ，计算为 ``log(x)/log(base)`` 。"
 
 #: ../../library/math.rst:258
 msgid ""
 "Return the natural logarithm of *1+x* (base *e*). The result is calculated "
 "in a way which is accurate for *x* near zero."
-msgstr ""
+msgstr "返回 *1+x* (base *e*) 的自然对数。以对于接近零的 *x* 精确的方式计算结果。"
 
 #: ../../library/math.rst:264
 msgid ""
 "Return the base-2 logarithm of *x*. This is usually more accurate than "
 "``log(x, 2)``."
-msgstr ""
+msgstr "返回 *x* 以2为底的对数。这通常比 ``log(x, 2)`` 更准确。"
 
 #: ../../library/math.rst:271
 msgid ""
 ":meth:`int.bit_length` returns the number of bits necessary to represent an "
 "integer in binary, excluding the sign and leading zeros."
-msgstr ""
+msgstr ":meth:`int.bit_length` 返回表示二进制整数所需的位数，不包括符号和前导零。"
 
 #: ../../library/math.rst:277
 msgid ""
 "Return the base-10 logarithm of *x*.  This is usually more accurate than "
 "``log(x, 10)``."
-msgstr ""
+msgstr "返回 *x* 底为10的对数。这通常比 ``log(x, 10)`` 更准确。"
 
 #: ../../library/math.rst:283
 msgid ""
diff --git a/whatsnew/3.5.po b/whatsnew/3.5.po
@@ -10,6 +10,7 @@
 # Freesand Leo <yuqinju@163.com>, 2019
 # 汇民 王 <whuim@qq.com>, 2019
 # ppcfish <ppcfish@gmail.com>, 2019
+# Meng Du <alphanow@gmail.com>, 2019
 # 
 #, fuzzy
 msgid ""
@@ -18,7 +19,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-01-01 10:14+0900\n"
 "PO-Revision-Date: 2017-02-16 23:44+0000\n"
-"Last-Translator: ppcfish <ppcfish@gmail.com>, 2019\n"
+"Last-Translator: Meng Du <alphanow@gmail.com>, 2019\n"
 "Language-Team: Chinese (China) (https://www.transifex.com/python-doc/teams/5390/zh_CN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -712,7 +713,7 @@ msgstr ""
 
 #: ../../whatsnew/3.5.rst:639
 msgid ":pep:`485` -- A function for testing approximate equality"
-msgstr ""
+msgstr ":pep:`485` —— 用于测试近似相等的函数"
 
 #: ../../whatsnew/3.5.rst:639
 msgid ""
