观察依年龄和种族划分的不同组别后所得结果也相似.
网络文摘精选
本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样.
互联网摘选
Between electroplated layer and substrate level of electroplated sample is obviously stratified.
而电镀层与基体层之间有明显的分层现象.
互联网摘选
India's stratified society has always been easier to govern than to change.
印度等级森严的社会一直以来更易于统治,而非改变.
网络文摘精选
科层模式与专业模式是学校 课程管理 的两种取向.
互联网摘选
Due to piedmont area stratified soil layers are present at the prism excavation depth.
是因为山麓地带层积的土壤层存在棱镜挖掘深度.
互联网摘选
This study examined age-stratified incidence and outcomes of pediatric OHCA.
这个研究调查了年龄分层的儿科院外缺血心脏骤停的发病率和结果.
互联网摘选
方法采取平行组设计 、 分层随机 、 双盲 、 多中心临床试验方法.
互联网摘选
应用最优分配随机分层抽样方法确定调查点.
互联网摘选
Two features of folds in stratified rocks that contain strut members invite special attention.
包含在承压岩层内的成层岩石中的褶皱,有两个特点引人特别注意.
词典精选例句
When the winds are light, the air in a valley becomes stagnant and stratified.
当微风时, 谷地的空气就会停滞和层化.
词典精选例句
In practice, seeds should not be stored dry but stratified on removal from the fruit.
实践上, 种子不需要干藏而是采种后即层积.
词典精选例句
