The various sampling techniques and special precautions that are taken . are sample points flushed ? how 各种取样技术和所采取的特殊注意事项.取样点是否要吹扫?如何吹扫
Sampling with unequal probabilities is an important sampling technique and very popular in practice 不等概率抽样是抽样调查中一种重要的抽样形式,在实际中被广泛地应用。
The spatial distribution pattern and sampling techniques of the eggs of the rice water weevil , lissorhoptrus oryzophilus , in rice paddy fields of north china 稻水象甲卵的空间分布型及抽样技术研究
Much performance testing done today uses logic analyzers and sampling techniques that miss a significant amount of real - time activity 目前的许多性能测试采用可能错过大量实时活动逻辑分析仪和抽样技术。
Microbiology of food and animal feeding stuffs - horizontal methods for sampling techniques from surfaces using contact plates and swabs 食物和动物饲料的微生物学.使用接触板和拭子的表面取样技术的水平方法