The bypass line shall be hydraulically sized to accurately measure low flow. 旁路管線應該經過水力分析，能夠精確測量低流量。
To measure the nonlinearity in laser heterodyne interferometer, a novel method to measure the nonlinearity was proposed. 摘要為了精確測量激光外差干涉非線性誤差，提出了一種新的激光外差干涉非線性誤差測量方法。
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