[zh-cn] sync labels-annotations-taints/_index.md

Signed-off-by: Gao Qian <gaoq.jy@fujitsu.com>

content/zh-cn/docs/reference/labels-annotations-taints/_index.md

@@ -1614,6 +1614,31 @@ and the [Kubernetes CSI Developer Documentation](https://kubernetes-csi.github.i
 更多信息请参阅[转换快照的卷模式](/zh-cn/docs/concepts/storage/volume-snapshots/#convert-volume-mode)和
 [Kubernetes CSI 开发者文档](https://kubernetes-csi.github.io/docs/)。
 
+<!--
+### scheduler.alpha.kubernetes.io/critical-pod (deprecated)
+
+Example: `scheduler.alpha.kubernetes.io/critical-pod: ""`
+
+Used on: Pod
+
+This annotation lets Kubernetes control plane know about a pod being a critical pod so that the descheduler will not remove this pod.
+-->
+### scheduler.alpha.kubernetes.io/critical-pod（已弃用）{#scheduler-alpha-kubernetes-io-critical-pod}
+
+例子：`scheduler.alpha.kubernetes.io/critical-pod: ""`
+
+用于：Pod
+
+此注解让 Kubernetes 控制平面知晓某个 Pod 是一个关键的 Pod，这样 descheduler
+将不会移除该 Pod。
+
+{{< note >}}
+<!--
+Starting in v1.16, this annotation was removed in favor of [Pod Priority](/docs/concepts/scheduling-eviction/pod-priority-preemption/).
+-->
+从 v1.16 开始，此注解被移除，取而代之的是 [Pod 优先级](/zh-cn/docs/concepts/scheduling-eviction/pod-priority-preemption/)。
+{{< /note >}}
+
 <!--
 ## Annotations used for audit