查询词典 stratified

The RL is neutrally stratified, resulting in turbulence that is nearly of equal intensity in all directions.

停留层是中立地分层的，于是产生了近乎所有方向的相等集中度的骚乱。

Nine thousand two hundred and seven subjects were selected by stratified sampling.

本研究的调查问卷经专家学者拟订，共有十二道题目。

Patients were stratified by PS, stage and prior pancreatectomy, and randomized to either G alone or G plus C.

入组时根据患者PS状态、分期和既往是否行胰腺切除术进行分层，患者随机进入吉西他滨单药或吉西他滨加C225组。

The seeds are stratified under lab condition. The average of high temperature is 19.36℃(2～4 months), the embryo completes the differentiation of the seed leaf, the radicle and plumule in this period.

在层积过程中，定期测定了种子的呼吸速率，可溶性蛋白、还原糖、粗脂肪和有机酸的含量，同时还测定了过氧化物酶和过氧化氢酶的活性。

A portion of the Martian South Polar Cap, showing stratified layers exposed by a long process of sublimation.

在火星的南极第一部分，显示了一个漫长的过程升华暴露分层层。

The estimation of population mean is obtained using a cluster sampling method supplementary stratified sample.

本文就是在这一宗旨下，提出一些新的抽样方案，并在理论上证明这些方案的优越性。

The estimation of population mean is obtained using a cluster sampling method with supplementary stratified sample.

针对这一缺陷，提出了一种辅以分层抽样样本的整群抽样方案，得到了总体均值的估计量，以及这一估计量的一些良好性质。

All the premiss are the same as in [1] except the media are now considered as stratified in structure and the influences of the bore hole and of the invaded zone were neglected.

除了现在考虑的介质是层状结构，并且略去了井眼和侵入带的影响之外，所有的前提都和参考资料[1]相同。

A total number of 2,422 people who were extracted by Stratified cluster sampling design and Probability Proportional to Size were used.

其中自北部机构有592人，中部机构有576人，南部机构有646人，东部机构有187人，总样本数共为2001人。

Methods The multi stratified grouping random sampling method and the proportional sampling was used.

本次流调方法与全国第四次流调方法基本一致，采用分层整群等比例随机抽样方法。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失