不过，Dr Drummond发现，对于上年纪的这组被测人员来说，睡眠时间“明显影响”到他们第二天的大脑性能。
However, for the older group, it was the amount of sleep they got that had a 'significant influence' on brain function the following day, Dr Drummond found.
在触针式轮廓测量仪中，性能优良的测量机构是保证触针与被测表面之间“接触测量”的关键部件。
In the stylus profilometer, a measuring mechanism with good performance is the key component, which guarantees "contact measuring" between the stylus and the surface of specimen.
通过油泵、节流阀对被测机具进行加、减载，从而可以检测机具在不同载荷下的性能参数。
Through fuel pumps, plus a throttle valve of statistical instruments, minus contained, thus allowing detection instruments in different load performance parameters.
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