A number of data show that the he mass spectrum detection technique is the only way to meet the requirements of "no-stop" of the thermal power plants.
大量数据证明，氦质谱检漏技术是满足火力发电厂“不停机”的真空系统检测的唯一方法。
Based on the sensing mechanism of Coriolis mass flowmeter and analyzing signal spectrum in actual working, the novel applied method is devised for phase difference detection.
基于科氏质量流量计的工作机理和实际工作情况下的信号频谱分析，提出了切实可行的相位差检测新方法。
The spectrometer based on linear optical detector has the advantage of multi-spectrum channel detection and it plays an important role in mass-spectrometry.
基于线列光探测器件的光谱仪具有多光谱通道探测的优点，以及其在物质光谱分析中担当的重要角色。
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