Finally, Using the method of calibrating instrument in a variational concentration calibrates this instrument. According to the result, the performance of the instrument is analyzed.
最后采用非恒定浓度的测氡仪器标定方法对研制的仪器进行标定，分析了仪器的一些性能指标。
Some end value condition derived by variational method in accordance with the least energy loss principle and their mechanical background are also dealt with.
同时从能量最小原理出发，用变分的方法推导出几种端值条件，说明它们的力学背景。
The multiple reciprocity method (MRM) for the parabolic variational inequalities of the second kind was discussed.
本文讨论了第二类抛物型变分不等式中的MRM（多重互易方法）方法。
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