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1·The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.

本文在分层随机抽样下通过使用辅助变量的偏斜系数提出了几个总体均值的估计。

2·It also calculates the recycling period of the auxiliary equipment for the variable flow operation.

同时分析了变流量运行时附加设备的回收期。

3·The auxiliary building adopts a variable refrigerant volume air conditioning system.

附楼采用变制冷剂流量多联分体式空调系统。

4·In order to get FDTD iterative computation stable, FDTD numerical method should increase the subsidiary variable and the corresponding auxiliary difference equation.

FDTD数值计算要采用增加辅助变量和相应的辅助差分方程的方法使FDTD迭代计算稳定。

5·The reason to shift the gears in the transmission during the auxiliary braking was presented and it was explained that here the fittest gearbox is continuously variable transmission.

阐述了辅助制动时控制变速器的速比原因，并说明了最合适的变速机构为无级变速器。

6·Based on the actuality that in China's printing industry equipment, the main drive mostly adjusts speed by variable frequency, but less usage in itss auxiliary function.

针对目前国内印刷行业设备中主传动已大量采用变频调速，而在其辅助功能上却很少的现状。

7·The reason to shift the gears in the transmission during the auxiliary braking was presented and it was explained that here the fittest gearbox is continuously variable transmission (CVT).

阐述了辅助制动时控制变速器的速比原因，并说明了最合适的变速机构为无级变速器。

8·Combining the variable frequency condensing pumps with the turbine driven feed water pumps can reduce the auxiliary power consumption and improve the unit efficiency.

将变频凝结泵与汽动给水泵联合使用，降低了厂用电，提高了机组效率。