Reading data from the HDAPS sensor is a straightforward process requiring an open and close of the file at each read due to its nonseekable nature.

从 HDAPS 传感器读取数据非常简单，由于其不可查找特性，每次读取数据时都需要打开和关闭文件。

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You can't create the file, close it, and reopen it — even if the permissions limit who can open it.

您甚至无法先创建文件、然后关闭它、然后再重新打开它，即使权限已经限制了谁可以打开该文件。

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Now you can collect profiling data, but where do you open and close your trace output file?

现在您可以搜集分析数据了，但是您应该在什么地方打开或关闭您的跟踪输出文件呢？

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