英语词汇cross-sectional sample怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

专业释义

1
化学
- 截面样品

双语例句

1
This paper investigates the relationship between board monitoring and earnings management, based on a broad cross-sectional sample of 675 qualified listed companies in 2003.
本文利用2003年675家符合研究要求的上交所上市公司作为样本，研究了董事会监管与盈余管理之间的关系。
2
Cross-Sectional: The sample of elements is measured only once. This shows you a snapshot of variables at a point in time (e. g. , market survey).
横截面数据：成分数据只测量一次。这展示你的变量在一个时间点的快照（如：市场调查）。
3
Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms.
通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。

单词	cross-sectional sample
释义	cross-sectional sample 简明释义横断面样本：一种研究方法，通过在某一特定时间点收集来自不同个体的数据，以研究某一现象或问题。专业释义 1 化学截面样品双语例句 1 This paper investigates the relationship between board monitoring and earnings management, based on a broad cross-sectional sample of 675 qualified listed companies in 2003. 本文利用2003年675家符合研究要求的上交所上市公司作为样本，研究了董事会监管与盈余管理之间的关系。 2 Cross-Sectional: The sample of elements is measured only once. This shows you a snapshot of variables at a point in time (e. g. , market survey). 横截面数据：成分数据只测量一次。这展示你的变量在一个时间点的快照（如：市场调查）。 3 Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms. 通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。
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