1.
Analysis of influence factors about space sampling efficiency of winter wheat planting area
冬小麦种植面积空间抽样效率影响因子分析
2.
ratio and difference estimation sampling
比率差异推算抽样法
3.
alternative to probability sampling
概率抽样的备择方案
4.
probability proportional to size sampling
概率比例规模抽样法
5.
A New Stratification Sampling Method for Creep Damage Failure Probability
一种用于蠕变损伤失效概率计算的分层抽样方法
6.
ADVANCED LINE SAMPLING WITH ADAPTIVE IMPORTANT DIRECTION FOR STRUCTURAL FAILURE PROBABILITY
结构失效概率计算的重要方向自适应线抽样方法
7.
Analysis on measures of improving system efficiency of the pump well.
提高抽油井系统效率的措施效果分析
8.
Operating Efficiency Analysis of Rod Pumping Equipment and Approaches to Improve Efficiency
有杆抽油设备运行效率分析及提高效率的途径
9.
timates in stratified random sampling
分层随机抽样的比率估计值
10.
Research on the Improvement in Sample Inspecting Method for the Percentage of Hybrid of Silkworm Eggs,Bombyx mori
桑蚕种杂交率抽样检验方案改进研究
11.
General Failure Probability Assessment for Multi-Mode System with Fuzzy-Random Variables by Improved Line Sampling
含模糊随机变量的多模式系统广义失效概率计算的内插迭代线抽样方法
12.
Sampling procedures and tables for inspection of small lots or batches by attributes for percent nonconforming
GB/T13264-1991不合格品率的小批计数抽样检查程序及抽样表
13.
Inaccuracies in survey data attributable to“ the luck of the draw" in creating a probability sample.
在产生概率抽样时由于抽样不足而造成的数据偏差.
14.
Single sampling procedures and tables for inspection having desired operating characteristics by attributes for percent nonconforming
GB/T13262-1991不合格品率的计数标准型一次抽样检查程序及抽样表
15.
Research on Multi-Resolution Spectrum Algorithm Based on Multi-Rate System
基于多抽样率系统的频谱多分辨率算法研究
16.
An interval estimation of population frequency by unduplication sampling of a few samples;
小样本不重复抽样时总体频率的一个区间估计
17.
Efficiency Analysis and Enhancement Countermeasures of the Beam Pumping System
游梁式抽油系统效率分析及提高对策
18.
Change of Filtration Efficiency of Filter During Cigarette Smoking
卷烟抽吸过程中滤嘴过滤效率的变化