Based on continuum theory, the vibration of pipeline in LPG filling stations has been analyzed by using the finite element program (SAP5) of structure analysis.

应用连续体振动理论和SAP5结构分析有限元程序，分析了液化石油气充瓶站管线振动问题。

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The main design approach is dynamic generation, i. e. the source program accomplishes check data files and is generated by means of filling up parameters on the screen.

编制该程序的主要方法是动态生成，即通过屏幕填参产生用于完成校对数据文件的源程序。

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Methods The level of S-Hg of 16 specimens on each time-point before or after amalgams filling were tested by means of absorbed spectrometry, and analysed by SAS program.

方法用冷原子吸收光谱法测定16名实验对象银汞合金充填前和充填后各时间点唾液汞量，用SAS软件程序进行分析统计。

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