[po] auto sync bot

zhsj · zhsj · commit fbc3c59ec5cf · 2018-10-19T10:37:08.000+08:00
diff --git a/reference/datamodel.po b/reference/datamodel.po
@@ -519,10 +519,12 @@ msgid ""
 " numbers compare equal (e.g., ``1`` and ``1.0``), only one of them can be "
 "contained in a set."
 msgstr ""
+"对于集合元素所采用的不可变规则与字典的键相同。注意数字类型遵循正常的数字比较规则: 如果两个数字相等 (例如 ``1`` 和 "
+"``1.0``)，则同一集合中只能包含其中一个。"
 
 #: ../../reference/datamodel.rst:378
 msgid "There are currently two intrinsic set types:"
-msgstr ""
+msgstr "目前有两种内生集合类型:"
 
 #: ../../reference/datamodel.rst:385
 msgid "Sets"
@@ -534,10 +536,11 @@ msgid ""
 "constructor and can be modified afterwards by several methods, such as "
 ":meth:`~set.add`."
 msgstr ""
+"此类对象表示可变集合。它们可通过内置的 :func:`set` 构造器创建，并且创建之后可以通过方法进行修改，例如 :meth:`~set.add`。"
 
 #: ../../reference/datamodel.rst:393
 msgid "Frozen sets"
-msgstr ""
+msgstr "冻结集合"
 
 #: ../../reference/datamodel.rst:390
 msgid ""
@@ -546,10 +549,12 @@ msgid ""
 ":term:`hashable`, it can be used again as an element of another set, or as a"
 " dictionary key."
 msgstr ""
+"此类对象表示不可变集合。它们可通过内置的 :func:`frozenset` 构造器创建。由于 frozenset 对象不可变且 "
+":term:`可哈希`，它可以被用作另一个集合的元素或是字典的键。"
 
 #: ../../reference/datamodel.rst:430
 msgid "Mappings"
-msgstr ""
+msgstr "映射"
 
 #: ../../reference/datamodel.rst:401
 msgid ""
@@ -559,10 +564,12 @@ msgid ""
 "assignments or :keyword:`del` statements. The built-in function :func:`len` "
 "returns the number of items in a mapping."
 msgstr ""
+"此类对象表示由任意索引集合所索引的对象的集合。通过下标 ``a[k]`` 可在映射 ``a`` 中选择索引为 ``k`` "
+"的条目；这可以在表达式中使用，也可作为赋值或 :keyword:`del` 语句的目标。内置函数 :func:`len` 可返回一个映射中的条目数。"
 
 #: ../../reference/datamodel.rst:407
 msgid "There is currently a single intrinsic mapping type:"
-msgstr ""
+msgstr "目前只有一种内生映射类型:"
 
 #: ../../reference/datamodel.rst:430
 msgid "Dictionaries"
