半最大值宽度：一条曲线(例如一条点扩展函数曲线)最大值的一半的宽度。
Full width half Maximum (FWHM) : the width of a curve (for example, the PSF) at half of it's peak value.
用该方法实现弹性波正演模拟只要算子半长度取到4—6，每波长取3个采样点即可获得精度很高的波场值。
The operator half length takes to 4-6 and each wave length takes 3 sampling, then the precise wave field can be obtained.
讨论了半序集和半序拓扑空间中保序集值算子的最小与最大不动点的存在性。
The existence of the minimal and maximal fixed points for order preserving set-valued operators on semi-ordered sets and semi-ordered topological spaces was analyzed.
该模型应用埃米尔特插值法求解点堆动力学方程，其它方程采用半隐式差分法求解。
The point kinetics equation is resolved by Emirt and the others by half-implicit difference. Then a simulation code is programed.
该模型应用埃米尔特插值法求解点堆动力学方程，其它方程采用半隐式差分法求解。
The point kinetics equation is resolved by Emirt and the others by half-implicit difference. Then a simulation code is programed.
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