A quadrupole mass spectrometer used during launch vehicle testing and launching is given, and the trend of spacecraft leak monitoring technique and equipment is raised.
文中给出了四极质谱计在火箭试验及发射时的应用实例，并提出航天器泄漏监测技术的发展趋势和监测设备的方向。
The nondestructive testing technique used by leakage monitoring and testing of buried pipeline was reviewed. The principle, scope, advantages and disadvantages of the methods were discussed.
综述了埋地管道泄漏监测与泄漏检测的各种无损检测技术，并讨论了各种方法的原理、适用范围、优点和缺点等。
Interwell testing by electric potential is a new, effective reservoir dynamic monitoring technique. It can accurately test the advancing direction and swept region of injected media (steam or water).
电位法井间测试是一种新型、有效的应用于油藏动态监测的技术之一，它能够准确地测定注入介质(蒸汽或水)的推进方位及波及范围。
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