sample number造句
例句与造句
- We need to double the random - sample number to ten per batch of 100
我们随机抽样必须增加一倍，每批一百件抽检十件。 - According to the ideas of the pava algorithm , when sample numbers of three normal populations are different , a procedure of obtaining the maximum likelihood estimators of means and standard deviations under tree - order restrictions is proposed
根据pava算法的思想，给出了均值和标准差的比在树序约束下的极大似然估计的计算方法。 - The results show that the optimal stopping rule for our proposed sequential sampling plan can effectively reduce the average sample number and thus achieve a minimum total loss under the reasonable type and errors
研究结果显示在合理的型误差及型误差下，本研究所提出的抽样计画停止法则可有效降低平均抽样数使抽样总成本达到最低。 - However , when the system sample number and the number of antenna array elements are finite , or snr is low and the incident signals are correlated or coherent , the performance of the algorithm sharply decreases and the algorithm even becomes invalid
但是当系统样本数、天线阵元数有限,信噪比较低以及入射信号为相关或相干信号时,算法性能急剧下降甚至失效。 - By using powerbuilder 7 , inquiry through a clue of combination of conditions including structural tree , strati graphic tree , well number tree and sample number tree is realized , which meets the thinking way of geologists
以构造树、地层树、井号树、样品编号树为数据导航线索，利用powerbuilder7数据库开发工具，设计了符合地质人员思维观念和使用习惯的树状组合条件查询。 - It's difficult to find sample number in a sentence. 用sample number造句挺难的
- The simulated result shows that , comparing with cumulants , this algorithm is not affected by different structure of the system , not needed to calculate the higher - order cumulants of the sampling , the sampling number requirement is small , and its realization is convenient by using computer
仿真结果表明，与常用的高阶矩法相比，该方法具有不受系统结构影响，不需要计算样本数据的高阶统计矩，使用的样本数据量少，便于用计算机实现的优点。 - Note 7 - remarks as to the origin may take the form of a boring number and sample number in conjunction with a job number , a geologic stratum , a petrologic horizon or a location description with respect to a permanent monument , a grid system or a station number and offset with respect to a stated centerline and a depth or elevation
注7 -对于原状样的记号可以采用下面的形式,一个钻孔编号和一个样品编号联合一个工作编号,一个地质地层,一个岩石层位或者一个考虑为永久界标的原地描述,一个栅格系统或者一个测站编号和考虑到规定的中心线和深度或海拔的偏移量 - Fifthly , using uniformly orthogonal design theory to arrange the four - lever temperatures and four - lever vibration stress , catch an excellent accelerated life text plan , which make the estimate value have the well precision in normal stress lever , at the same time that can reduce the sample number and shorten the test time
第五，运用均匀正交设计对环境温度和振动应力的四个应力水平值进行合理搭配，得到一组较优的加速寿命试验方案，在减少样本数量、缩短试验时间的同时使产品在正常应力水平的寿命估计值具有较高的精度。