Time sampling Behavior may be missed if random time samples are not taken across the day.
时间取样：如果没有在全天采取随机时间取样的话，一些行为可能会被错过。
Time sampling Behavior may be missed if random time samples are not taken across the day.
如果没有在全天采取随机时间取样的话，一些行为可能会被错过。
The basic laws of reproductive behavior and the relation between them and environment of Henry chestnut have been studied through sampling investigations and tracing studies.
本研究具体通过抽样调查、跟踪研究等方法系统研究了锥栗生殖行为的基本规律及其与环境因子之间的关系。
Also the scan sampling method was used to observe main behavior types and time pattern.
同时，采取扫描取样法，观测蒙古野驴的主要行为种类及其时间分配。
Methods Under stratified sampling, the investigation of the oral health concept and behavior were carried out using closed type questionnaire method.
方法采取分层抽样方法，分别对口腔健康观念与行为情况进行问卷调查、填写记录。
The breeding behavior of free living Red crowned Cranes was observed at Zalong Nature Reserve by instantaneous and scan sampling, focal animal sampling and all occurrence recording methods.
采用瞬时扫描取样法、焦点动物取样法和所有事件取样法对扎龙国家级自然保护区内野生状态下丹顶鹤繁殖行为进行了观察。
Methods The migrant workers aged 18~60 in one east city were chosen by stratified random sampling, and surveyed by a questionnaire about knowledge, behavior of AIDS, and blooded to test HIV antibody.
方法采用分层随机抽样的方法，对东部沿海某市18~60岁外来务工人员进行问卷调查，收集艾滋病知识和行为的信息，并采集静脉血进行艾滋病病毒抗体检测。
In order to guarantee the representation of coal samples, in the process of coal sampling, operation behavior should be normalized.
为了保证煤炭样品的代表性，在煤样采制过程中，必须规范操作行为。
Advantages Event sampling Limits the behaviors observed, thus reducing the chance that the behavior of interest will be missed.
事件取样：限制行为观测（的数量），因而减少感兴趣行为被忽略的可能性。
Point sampling May miss behavior in others that is important for an understanding of individual.
定点取样：可能会忽略他人的一些对于理解个体行为具有重要的意义的行为。
Behavior sampling, focal animal sampling and all-occurrence recording method were applied in our study.
研究中采用了行为取样法、目标动物取样法和全事件记录法。
Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
事件取样：在一个大的区域里对所有关键行为事件的观测是困难的。
Methods 700 college students were selected from Wuhan Maritime Professional School by random sampling, a questionnaire survey about AIDS knowledge, attitude and behavior was conducted.
方法采用整群随机抽样方法，对武汉某职业技术学校在校学生进行了艾滋病知识、态度、行为的问卷调查。
Methods a questionnaire was used to survey injury -related knowledge, attitude and behavior of 42 065 students drawn from 4 counties of Zhejiang province by using a cluster sampling method.
方法采用整群抽样法，选取浙江省4个县区的42 065名中小学生伤害的认知和行为进行问卷调查。
Point sampling The behavior of just one individual in a group at a time is recorded.
定点取样：在一个团体中一次仅有一个个体的行为被记录。
Based on statistics character of traffic in a large-scale network, the steady metrics that can estimated network behavior are found and a sampling measurement model is presented in this paper.
基于大规模网络流量的统计特征，寻找能够评价网络行为的稳定测度，并建立抽样测量模型。
Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
在一个大的区域里对所有关键行为事件的观测是困难的。
Point sampling May miss behavior in others that is important for an understanding of individual.
可能会忽略他人的一些对于理解个体行为具有重要的意义的行为。
Objective: Using the method of cluster sampling to find out syudents ' knowledge attitude and behavior towards aids, to provide theoretical basis for AIDS education.
态度、行为对艾滋病的预防和控制具有重要的意义。
By sampling 1,332 junior high school students in Taiwan, and by adopting structure equation model, the relationships among achievement goals and learning behavior were explored and verified.
样本取自台湾1,332名国中生，使用结构方程模式来探讨并验证成就目标与学习行为间的关系。
By sampling 1,332 junior high school students in Taiwan, and by adopting structure equation model, the relationships among achievement goals and learning behavior were explored and verified.
样本取自台湾1,332名国中生，使用结构方程模式来探讨并验证成就目标与学习行为间的关系。
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