zh-trans: add selector.md (#11265)

* zh-trans: add selector.md

zh-trans: add selector.md

* Update selector.md

content/zh/docs/reference/glossary/selector.md

@@ -0,0 +1,42 @@
+---
+title: 选择算符
+id: selector
+date: 2018-04-12
+full_link: /docs/concepts/overview/working-with-objects/labels/
+short_description: >
+  选择算符允许用户通过标签对一组资源对象进行筛选过滤。
+
+aka: 
+tags:
+- fundamental
+---
+
+<!--
+---
+title: Selector
+id: selector
+date: 2018-04-12
+full_link: /docs/concepts/overview/working-with-objects/labels/
+short_description: >
+  Allows users to filter a list of resources based on labels.
+
+aka: 
+tags:
+- fundamental
+---
+-->
+
+<!--
+ Allows users to filter a list of resources based on labels.
+-->
+
+选择算符允许用户通过标签对一组资源对象进行筛选过滤。
+
+<!--more--> 
+
+<!--
+Selectors are applied when querying lists of resources to filter them by {{< glossary_tooltip text="Labels" term_id="label" >}}.
+-->
+
+在查询资源列表时，选择算符可以通过 {{< glossary_tooltip text="标签" term_id="label" >}} 对资源进行过滤筛选。
+