The test program calls each method repeatedly with a large loop count, averaging the time measurements over several calls.

测试程序重复调用每种方法，使用一个大循环数，从而平均多次调用的时间衡量结果。

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Programmers don't usually have to test whether the user running the program is entitled to read a data file or set the system time.

程序员通常不必测试运行程序的用户是否有权读取数据文件和设置系统时间。

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Future phases of the program will include the development of a real-time prototype collaborative navigation system and a flight test demonstration.

该项目的未来阶段将包括研发一个实时协同导航系统样机并进行飞行测试演示。

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