采用世代平均值分析的多元回归程序，对家蚕耐氟性状的基因效应参数进行了估计。
Based on the multiple regression procedure for the generation mean analysis, gene effects of fluoride resistance in silkworm were studied.
研究了单模激光中的倍增噪声和饱和效应，导出了定态激光强度的平均值和归一化方差。
The multiplicative noise and saturation effect in a single-mode laser are investigated and the mean and normalized variance of the steady state laser intensity are calculated.
用地转偏差方法估算辽宁省彰武县农田防护林体系的区域性防风效应，平均值为14％；
Regional wind protective effect of farmland windbreak system in Zhangwu county were calculated by geostrophic deviation method. The average effect is 14%.
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