该仪器标定后，即可测出滚珠丝杠的空载扭矩及其变化量。
After the instrument is demarcated, it can be used to measure the no load twisting moment of the ball lead screw and its variation.
并对硬件和软件设计进行综合考虑，实现了简便、准确的仪器标定。
The precise calibration of the instrument was realized by the appropriate design of its hardware and software.
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。
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.
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