In particular, they were reviewing the performance of a Pitot tube, part of the speed measurement system.
他说。调查人员在着重检查速度测量系统的组成部分——空速管的性能。
They created the Long Count Calendar, a time measurement system that had spiritual significance to their culture.
他们发明了长历法,这是一种对其文化具有精神意义的时间计量系统。
You may find that some records were recorded in error, but now we have a measurement system that is repeatable.
你会找出一些错误的纪录,但是我们现在有一个可重复的衡量系统。
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