结果表明，叶片的外物损伤程度取决于撞击能量E和几何标度S，对于一定的叶片，存在不影响疲劳寿命的极限损伤。
The results show that the extent of FOD depends on both impact energy E and geometric scale S. There exists a critical damage for a given blades.
在成交量进程标度的股票价格动力学方程为几何布朗运动的假设下，将股票价格动力学方程的进程标度从成交量进程转换到日历进程。
The stock price is supposed to follow a geometric Brownian process under the transaction process, and the corresponding one under the calendar process has been reduced theoretically.
利用近轴几何光学模型推导出焦距标度，这些焦距标度都具有良好的单调性和单峰性。
The focus measures are drived from the paraxial geometric optics model. All these focus measures have good monotonicity and unimodality.
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