This method aliases to sh.removeShardFromZone() in MongoDB 3.4. 此方法别名为MongoDB 3.4中的sh.removeShardFromZone()。The functionality specified below still applies to MongoDB 3.2. 下面指定的功能仍然适用于MongoDB 3.2。MongoDB 3.4 provides Zone sharding as the successor to tag-aware sharding.MongoDB 3.4提供分区分片作为标记感知分片的后续版本。