- 双语例句 更多例句
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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此外,我们探讨复杂抽样下,该估计值的推广.
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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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Methods A random sampling inspection could be combined with special-purpose rectification.
方法突击抽样检查和专项整顿相结合,抽样比对.
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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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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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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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本文在PPS抽样方案和有效回简单随机抽样方案的情形下构造了这两种估计并精确比较了它们的优劣.
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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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该项研究对于大宗货物的实际随机取样具有重要参考价值.
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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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- 相关词组
- timing sampling定时采样，时间量化，脉冲调辐;
- sampling analysis抽样分析;
- work sampling technique工作样本技术;工作样本选择
- random crime随机犯罪行为
- at random任意地，随便地;信;横七竖八;胡乱;
- adaptive sampling适应性抽样;
- random samplen.随机抽样调查;
- beaker sampling杯选试样;
- random accessn.随机存取;
- random blocks抛筑块体;
- air sampling空气取样;
- paired sampling配对取样;
- areal sampling[医]分布区取样;
- random selection随机选择，杂乱选择;
- completely random完全随机;
- random allocation随机分配;
- random select随机选择;
- 今日热词
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- swear v.咒骂;郑重承诺;发誓;肯定地说;使发誓;
- immediate adj.即刻的;当前的;紧迫的;接近的;直系的;直接的;
- 金钗十二 many concubines;Having many concubines
- substance n.物质，材料;实质，内容;[神]灵;（织品的）质地;
- chick n.雏鸟；（尤指）雏鸡，小鸡;n.少女；少妇；小妞儿(男性用语，可能具冒犯意味)
- thyroid n.甲状腺;甲状软骨;甲状腺剂;甲状腺粉;
- score n.得分;分数;二十;总谱;配乐;大量;刻痕;实情;v.得分;记分;获得胜利;编总谱;划下痕迹;非法购买;
- certain adj.肯定的;无疑的;轻微的;某个，某些，某位;pron.某些（不提及人或事物的名称时用）;
- wave n.波浪，海浪;心潮，风潮;(声、光、无线电等的)波;冲击波;涌动的人/物;挥手;(头发的)波浪卷;v.挥手（示意/指引）;挥舞;飘动;烫（发）;
- elegant adj.优美的;典雅的;简洁的;
- secret adj.秘密的，保密的;隐秘的;神秘的;外人不得而知的;(指行为与习惯)暗中进行的，未公开的，诡秘n.秘密;机密;诀窍;奥秘;秘诀;诀窍;奥妙
- Euryale n.[希腊神话]欧律阿勒(三个蛇发女妖之一);
