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sampling相关的网络例句

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与 sampling 相关的网络例句 [注:此内容来源于网络,仅供参考]

Among probability sampling methods, what kinds of research conditions are more appropriate for each sampling method

什麼样的情况下,适合用机率抽样方法简单随机抽样有4种方法:1。简单随机抽样2。分层随机抽样3。系统抽样等距抽样

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配等基础统计方法。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trends of machinery components.

除了要保证正确的取样程序外,合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trends of machinery component s.

除了要保证正确的取样程序外,合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trend s of machinery components.

除了要保证正确的取样程序外,合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Methods Population Proportional to Size sampling method was employed in sampling.

方法2005年11~12月采用分层、三阶段与规模成正比的容量比例抽样方法获得调查对象,采用统一调查问卷由统一培训的调查员入户进行面对面调查。

Methods The multi stratified grouping random sampling method and the proportional sampling was used.

本次流调方法与全国第四次流调方法基本一致,采用分层整群等比例随机抽样方法。

Small signal equivalent circuit analysis shows that the small signal output resistance in the accurate proportional current sampling mode circuit is much larger than that in a traditional proportional current sampling mode circuit, and circuit stability could be assured.

通过电路的小信号模型分析,得到精密比例采样模式的小信号等效输出电阻远大于传统比例采样模式,同时保证了系统的稳定性。

Circuit simulation and chip testing results show that when the LED driving current is 350 mA and the power supply is 6 V with ±10% variation, the stability of the output constant current of the accurate proportional current sampling mode LED driving IC will show 41% improvement over that of a traditional proportional current sampling mode LED driving IC.

经电路仿真及流片测试,表明当LED驱动电流为350mA,电源电压6V并正负波动10%时,改进的精密比例采样模式LED驱动电路比传统比例采样模式LED驱动电路的恒流特性稳定度提高了41%。

Because there were many occasional species in the desert and the distribution of many species were dependent largely on the habitat, the paper concluded that neither the methods of sampling line and nest method for all species nor the sampling method of the pattern of plum blossom quadrat for the herbaceous species could be suitable for observation in the desert.

由于沙漠物种偶见种多,频度和密度较低,并且分布的环境特异性强,认为对沙漠植物群落观测,样线法、巢式样方法以及对草本观测的梅花样方法均具有一定局限性,建议对草本和灌木物种多样性观测,在确定合理的布样方向基础上,以4m 4m为基本样方。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。