A type of probability sample in which aggregations of sampling units, called clusters, are sampled at some stage in the process.

  • 是一种将样本单元聚集在一起的随机抽样法.样本群在抽样的某一步骤被抽出。
  • 来源:互联网摘选更新时间:2025-01-19 23:36:40

  • 重点词汇
  • sampled[计][修]抽[采,取]样;
  • clustersn.(果实、花等的)串( cluster的名词复数 );簇;(人、物等的)群;组;
  • processn.(为达到某一目标的)过程;进程;(事物发展,尤指自然变化的)步骤;流程;做事方法;工艺流程;工序
  • unitsn.单位;[药剂学](药物、疫苗、血清、抗原等的)单位( unit的名词复数 );装置;一件(商品);(栋公寓大楼中的一套公寓)单元;
  • aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
  • whichpron.哪一个;(…的)那个;
  • samplingn.抽样;取样;(乐曲的)节录;选录;
  • samplen.样品;样本;(化验的)取样;(用于新乐曲中的)节录乐曲;确定(模拟信号)瞬时值;
  • calledv.叫( call的过去式和过去分词 );通电话;认为;估计;
  • at some stage在某个阶段
  • aggregationsn.聚集( aggregation的名词复数 );集成;集结;聚集体;
  • 相关例句
1、

I'm very happy with the career I've had, and I'd like to thank everyone that has been involved at some stage.

对于我的足球生涯我也很满意,我也要感谢所有曾经共事的人们。

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2、

In a low interest rate environment, I think these could become very valuable and, at some stage, be rewarded with much higher valuations.

在低利率环境下,我认为这些股票会变得很有价值;有朝一日,这些股票的估值将会大幅攀升,给投资者带来回报。

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3、

Consumers had borrowed heavily, making it almost inevitable that at some stage spending would fall as they paid off debts.

消费者已大举借贷,因此随着他们清偿贷款,总有一天支出将出现下滑,这几乎是不可避免的。

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4、

In the markets, it is increasingly thought that Greece will in effect default on some of its debts at some stage.

在市场上,越来越多的人认为希腊在某阶段可能会拖欠一些债务。

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5、

You need to show your enthusiasm at some stage by asking for a date to meet for a face to face interview.

你需要体现你的热情,询问是否能接到当面的面试。

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6、

Simon had a number of nicknames, but at some stage he said he was like Teflon.

西蒙有很多的昵称,但在某些阶段,他说他像“特富龙人”。

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7、

At some stage, I feel it did affect him but now he's over it as the hearing has taken place.

在某一点上,我觉得那的确对他有影响,但是现在听到他又可以比赛了他应该会忘掉这件事。

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8、

Once people become better off, at some stage they want more freedom, and so that's a challenge for China down the road.

人们一旦在经济上富裕,在一定程度上就会要求更多的自由,对于中国,这就是将来的挑战。

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9、

At some stage during the party, everyone will sing Happy Birthday to the birthday boy or girl.

晚会期间,每个人都要为寿星唱生日歌。

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10、

Even with these new developments in research, only a tiny proportion of all tests are done without using animals at some stage.

尽管这些研究有了新成果,所有的裕只有极少数在某一阶段不使用动物。

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11、

" At some stage, China could control what was going on," adds China Hydro's Mr Kuhns.

“在某个阶段,中国确实能够控制住形势,”中华水电的库恩斯表示。

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12、

Even if it was requested at some stage, the EU Risk Assessment report is a solid basis to build on.

即使在一些阶段要求它,EU风险评估报告也是一个坚固的基础可以据此制定。

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13、

At some stage over the next decade, China is likely to overtake the US as the world's biggest market.

在未来十年中的某个阶段,中国有可能超过美国,成为全球最大的市场。

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14、

You may be one of the 80% of Americans who suffer from back pain at some stage in their lives.

美国有80%的人在某个年龄都会感觉背痛,你可能也会是其中之一。

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15、

Such faults either simply cease at some stage or develop into lasting short-circuits.

此类故障可能在某一阶段消失,或变为持续性短路。

provided by jukuu

16、

We had some good news about the scan because at some stage we were scared it could be worse.

扫描时我们有一些好消息,因为在那时候我们担心情况可能更糟。

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17、

It is the widely held belief that anyone successful in business must at some stage have cut corners.

人们普遍认为,任何一个成功的商业人士,都必定在某个阶段“走过捷径”。

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18、

Job hunting is a challenge we all have to face at some stage in our careers.

求职是我们在职业生涯的某个阶段都会遇到的挑战。

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19、

At some stage people realized that every hand is different, and from this discovery palmistry began.

在某个阶段,人们意识到每个手的掌纹是不同的,于是开始了手相学。

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20、

They claim that liquidity can easily be removed at some stage in the future.

他们声称,流动性可以在未来某一阶段被轻易消除。

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