Derive a way to get the point estimations of parameters under normal working condition stress.
给出了求正常工作应力下参数点估计的方法。
The dynamic process of pneumatic pick and the conditions under which the normal starting and stable working are available are discussed by way of the theory of point transformation.
用点变换理论分析气镐的动力过程，讨论气镐正常起动和稳定工作的条件。
By monitoring both voltage and power, the unit measures the normal working load, then calculates and sets an automatic shutdown point for detected power changes.
通过监测动力电压，该装置先对正常的工作量进行测定，然后依据被测动力发生的变化，估计并设定一个自动的关闭点。
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