... chemical stratification 化学成层现象... stratification sampling 分层取样 underground stratification 地下成层现象...
基于49个网页-相关网页
... 放射取样法 radiometric sampling; radiometricsampling 分层取样法 stratification sampling 货车取样法 method of car sampling ...
基于2个网页-相关网页
cluster stratification sampling 整群分层抽样
optimal stratification sampling [统计] 最优分层抽样
aerial photo stratification sampling 航空像片分层抽样调查
environmental stratification sampling technique 环境梯度分层采样技术
stratification sampling with aerial photographs 航空象片分层抽样
double sampling for stratification [统计] 分层的双重抽样
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