With today’s pressure on teachers to “teach to the test, ” I wonder if any would or could take the time to coax out the potential in a single, shy student.

现在老师都肩负着“应试教育”的压力，我不知道是否还会有人愿意花时间去挖掘一个孤单害羞学生的潜能。

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A differential pressure gauge is recommended for test no. 1 rather than a manometer for the following reasons: It utilizes minimum time to perform the test.

对于检测1，建议采用差压表，而不要采用流体压力表，理由在于差压表进行检测的时间最短。

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In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.

介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。

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