The relationship between the mean ballistic difference and acceptable probability is studied and a designing method of projectile trajectories satisfying the ballistic match standard is put forward.
研究了平均弹道差与接受概率的关系,提出了满足弹道一致性标准的弹丸弹道设计方法。
Compared with the conventional PID masterslave control method, the move mean difference is reduced by 18.2% and the move standard deviation is reduced by 61.5%, and the exposure effect can be ensured.
相对于传统PID主从同步控制方法,同步偏差的移动平均差减小18.2%,移动标准差减小61.5%,可以保证光刻机的曝光效果。
Standard methods of the Neonatal Review Group with use of relative risk (RR), risk difference (rd) and weighted mean difference (WMD).
新生儿评价组的标准方法,使用相对危险度(RR),风险差(RD)和加权均数差(WMD)。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
景观功能均值相差不大的流域之间,景观功能值标准差较小的流域,月际间径流系数的变化更加平缓。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
景观功能均值相差不大的流域之间,景观功能值标准差较小的流域,月际间径流系数的变化更加平缓。
应用推荐