- 重点词汇
- isvt.& vi. 是(be的三单形式);
- thispron.这,这个;这事,这人;这时;下面所说的事;
- bulkn.(大)体积;大块,大量;大多数,大部分;主体;
- random sampling随意采样,随机采样;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- compositeadj.拼成的;混合成的;复合的;
- ofprep. 关于;属于…的;由…制成;
- reference to提到;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
- practicen. 练习;实践,做法;(医生或律师的)业务;惯例;
- 相关例句
METHOD Random sampling study and collect data by questionnaire survey and examination.
方法采取整群随机抽样,信函问卷、实地测试等调查.
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In a simple random sampling, the sample mean is an unbiased estimate of the population mean.
在简单随机抽样中, 样本均值是总体均值的无偏估计.
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应用最优分配随机分层抽样方法确定调查点.
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CLAP adopts the random-sampling technique to make the clustering algorithm to be more efficient.
CLAP算法通过使用随机抽样技术,提高了聚类算法的效率.
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Methods Cluster sampling and random sampling Methods: Were used to choose the subject.
方法采用整群随机抽样和单纯随机抽样方法确定调查对象.
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This study adopted two-stage random sampling method. The valid subjects were 300.
本研究采二阶段随机抽样方法, 有效样本共300位.
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Survey is also available web for input from clubs that were not in the random sampling.
调查也扩及由扶轮社于网上输入资料,这并不包括在随机抽样中.
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I will no longer allow myself to be railroaded into serving on the same committee again.
我将不再使自己被迫为这个委员会服务.
词典精选例句
Changes in the law were railroaded through Parliament by unprin-cipled politicians.
法律的改变由那些无原则的政客们施加不正当的压力,在国会上强行通过了.
词典精选例句