Update aggregation.po

Author: tomliugen

locale/zh/LC_MESSAGES/aggregation.po

@@ -36,7 +36,7 @@ msgstr "聚合介绍"
 
 #: ../source/includes/toc/dfn-list-spec-aggregation-landing.rst:4
 msgid "A high-level introduction to aggregation."
-msgstr "对聚合高层面的介绍"
+msgstr "关于聚合的入门介绍"
 
 #: ../source/includes/toc/dfn-list-spec-aggregation-landing.rst:34
 msgid ":doc:`/core/aggregation`"
@@ -46,7 +46,7 @@ msgstr "聚合概念"
 msgid ""
 "Introduces the use and operation of the data aggregation modalities "
 "available in MongoDB."
-msgstr "介绍在MongoDB中各种形式的数据聚合的使用及其作用"
+msgstr "介绍在MongoDB中各种形式的数据聚合的使用方法"
 
 #: ../source/includes/toc/dfn-list-spec-aggregation-landing.rst:16
 msgid ":doc:`/core/aggregation-pipeline`"
@@ -88,8 +88,8 @@ msgid ""
 "include returning counts of documents, distinct values of a field, and "
 "simple grouping operations."
 msgstr ""
-"MongoDB提供了一个针对特定的数据聚合操作的集合，以支持一些公共的数据聚合的功能。"
-"这些操作包含返回文档个数，对某个字段的值去重，和简单的归类操作。"
+"MongoDB提供了一些针对特定数据的聚合操作，以支持一些公共的数据聚合的功能。"
+"这些操作包含返回文档个数、对某个字段的值去重、和简单的归类操作。"
 
 #: ../source/includes/toc/dfn-list-spec-aggregation-landing.rst:34
 msgid ":doc:`/core/aggregation-mechanics`"
@@ -100,7 +100,7 @@ msgid ""
 "Details internal optimization operations, limits, support for sharded "
 "collections, and concurrency concerns."
 msgstr ""
-"优化操作，限制，对分片集合的支持，和并发关系等内部细节。"
+"介绍了聚合操作的优化、限制、对分片集合的支持、和并发关系等内部细节。"
 
 #: ../source/includes/toc/dfn-list-spec-aggregation-landing.rst:37
 msgid ":doc:`/applications/aggregation`"