The mass spectrometer may be used in a trace gas leak detector.

可以在示踪气体泄漏检测器中使用所述质谱仪。

The latest progress of trace gas concentration detection technology is reviewed.

综述了近些年来国内外痕量气体浓度检测技术研究的最新进展。

Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.

光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。

Mass spectrometers for trace gas leak detection and methods for operating mass spectrometers are provided.

提供了用于示踪气体检漏的质谱仪以及用于操作质谱仪的方法。

Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.

令人费解的是，二氧化碳理应像在其他行星那样成为大气的主要成分，却仅仅是一种示踪气体。