[po] auto sync bot

zhsj · zhsj · commit 00b9523317ae · 2019-08-08T05:12:19.000+08:00
diff --git a/library/cmath.po b/library/cmath.po
@@ -353,6 +353,9 @@ msgid ""
 "expressed as a real number (in which case the complex number has an "
 "imaginary part of zero)."
 msgstr ""
+"请注意，函数的选择与模块:mod:`math`中的函数选择相似，但不完全相同。拥有两个模块的原因是因为有些用户对复数不感兴趣，甚至根本不知道它们是什么。它们宁愿"
+" ``math.sqrt(-1)`` "
+"引发异常，也不想返回一个复数。另请注意，被:mod:`cmath`定义的函数始终会返回一个复数，尽管答案可以表示为一个实数（在这种情况下，复数的虚数部分为零）。"
 
 #: ../../library/cmath.rst:304
 msgid ""
@@ -364,10 +367,14 @@ msgid ""
 "choice of branch cuts for numerical purposes, a good reference should be the"
 " following:"
 msgstr ""
+"关于分歧点的注释：它们是沿着给定函数无法连续的曲线。它们是许多复杂函数的必要特征。假设您需要使用复杂函数进行计算，您将了解分歧点。请参阅几乎所有关于复杂变量的（不太基本）的书来进行启发。关于分歧点数值目的的正确选择信息，应提供以下良好参考："
 
 #: ../../library/cmath.rst:314
 msgid ""
 "Kahan, W:  Branch cuts for complex elementary functions; or, Much ado about "
 "nothing's sign bit.  In Iserles, A., and Powell, M. (eds.), The state of the"
 " art in numerical analysis. Clarendon Press (1987) pp165--211."
 msgstr ""
+"Kahan, W: Branch cuts for complex elementary functions; or, Much ado about "
+"nothing's sign bit. In Iserles, A., and Powell, M. (eds.), The state of the "
+"art in numerical analysis. Clarendon Press (1987) pp165--211."
