查询词典 sampling method

Based on the preliminary observation, the behaviors of the crested ibis were recorded at 5-minutes interval by using instantaneous scannable sampling method.

2朱鹮静栖的高峰时间在13：00~14：00；取食有2个较为明显的高峰，分别出现在9：00~10：00和14：00~15：00；运动的高峰在10：00~11：00；理羽的高峰在9：00~11：00；其他行为主要分布在

By computer simulation, the effects of the quantizing error on power measurement of the mixed sampling method are analyzed.

通过计算机仿真，分析了量化误差对混合采样功率测量方法的影响。

A stratified sampling method is used to estimate the cotton field...

设计了满足生产应用的全国作物面积遥感监测抽样运行方法

Methods a cluster stratified sampling method was used to chose 3 989 pupils from six schools of different levels in xiamen. they were investigated with conners parent symptom questionnaire.

采用整群分层抽样法抽取厦门市6所不同层次的小学一～五年级学生3 989名为调查对象，应用conners量表进行调查，dsm-ⅳ诊断标准确诊。

To develop a sampling method of the Dibutyl Phosphatein the air of workplace.

目的 研究作业场所空气中磷酸二丁酯的采样监测方法。

Sampler ; flowing grain ; sampling method

取样器；流动粮食；扦样法

Methods randoms sampling method was used and the participants were interviewed by trained health workers under a structured questionnaire.

采用随机抽样的流行病学调查方法进行问卷调查，并对调查人群（392人）测定空腹血糖、血脂、体重指数、血压等，运用CDS标准（2004年）MS定义对资料进行分析。

Methods: The investigation was made among 5204 persons of 1798 households in 3 city propers of Hebei Province by Cluster and stratified sampling method.

本次调查采用多阶段分层整群抽样的方法，共抽取了全省样本地区3个城区(分别是石家庄市长安区、唐山市路北区、张家口市桥东区)，共调查住户1798户，调查人口5204人。

The qualitative methods employed in this study included pretest and posttest, concept map, interview and learning journal. Twelve students were chosen by a purposive sampling method from the class. According to their Raven's Standard Progressive Matrices Testresults, the students were classified into low level of 3, medium level of 6 and high level of 3 with even number of gender. They were interviewed individually about the teaching activities designed by the researcher for this study. The findings were summarized as follows

本研究先采方便取样，选取台北市内湖某国小五年级27位学童为研究对象，进行资料搜集与分析，另采立意取样，依据瑞文氏测验(Raven's Standard Progressive Matrices Test，以下简称SPM)，选取低推理能力3人，中推理能力6人，高推理能力3人，共计12人，男女各半；利用CMDA、前后测以及一对一多次的诊断性晤谈，深入分析 12名访谈对象在教学前、后，对「物质与热」单元的概念学习历程。

The research adopts room test and outdoor sampling method together.

本项研究主要采用室内试验和野外样方调查相结合的方法来进行研究。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。