该理论原则上也适用于其它类型质谱计的离子源。
This theory is also applicable to the ion sources used in other mass spectrometers.
11该方法大大提高了软件的可适应性，现在已经成为广为接受的面向对象分析和设计理论的原则。
The approach promised to dramatically improve the adaptability of software and is now an accepted principle in object-oriented analysis and design theory.
尽管从理论上讲，可以对所有内容进行设置并进行记录，但是没有任何东西可以替代实际测试来验证该原则。
Though everything may be set-up and documented perfectly in theory, there is no substitute for an actual real-life test to validate the theory.
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