【多选题】
POLLING方式特点是（）
A、节约通道
B、提高数据传送的速度
C、容易实现RTU之间的同步
D、能适应不同类型的通道结构
E、容易实现通道自动切换
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搜题
更多“POLLING方式特点是（）”相关的问题
第8题
A、A.polling values can be changed only in the maintenance window. B、B.polling values can be changed only on the location server. C、C.your login does not have the correct permissions. D、D.you must wait for the location server to become available.
第9题
A、Your login does not have the correct permissions. B、You must wait for the location server to become available. C、Polling values can be changed only on the location server. D、Polling values can be changed only in the maintenance window.
