密封真空器件内残气的质谱分析，必须解决开管取样技术问题。
It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.
在理论上对开管滑动系统中汞损失的影响作了分析和计算，提出了准平衡汞压的方法。
In this paper the lost of Hg and its affections and control in open tube sliding LEP system are analysed theoretically.
对充气展开管的弯折挠曲特性进行了理论分析和实验验证。
An theoretical analysis and experimental verifications are made to investigate the folding deflection behavior of inflated tubes.
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