When monitoring the application, if all you want is to monitor the speed of the write-file operation, you can use the write-file-start and write-file-done probes, which provide an id for referencing.

在监视应用程序时，如果只想监视写文件操作的速度，可以使用write - file - start和write - file - done探测，它们提供供引用的ID。

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Since the existing potential danger of currently adopted loop distribution network in railway station and yard, the paper raises some improving measures for it with referencing to practical operation.

鉴于目前铁路站场广为采用的环形配电网络存在着安全隐患，本文结合运营实践情况对此提出了一些改进措施。

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