DESIGN: a stratified random cluster sampling investigation.
设计:分层整群抽样调查。
Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.
分层技术是遥感分层抽样调查与监测方法中的关键技术之一。
Wushu articles of sports publication published in 90's were analyzed and studied by means of sampling investigation and statistics.
采用抽样调查、统计方法,对体育刊物九十年代发表的武术文章进行分析、研究。
Methods Random sampling investigation was carried out by self-administering and anonymous questionnaire among college students in Henan.
方法采用不记名自填问卷方式,对河南在校大学生进行随机抽样调查。
The researches were captured by sampling investigation on soil animals in purple soil of 3 kinds of different habitat in Qidong county, Hunan during 2001-2002.
2002年,对湖南省祁东县紫色土分布区按不同生境设3个样区进行土壤动物调查。
This paper analyses the initiation of investigation, questionnaire investigation, sampling investigation and verification visits, as well as hearing and disclosure.
本文论及了欧盟反补贴调查的发起,问卷调查、抽样调查和实地核查三种调查方式,以及听证和披露等问题。
Methods A sample containing 943 people was investigated by sampling investigation method, and 32 of them were selected randomly and recompleted the inventory after 3 months.
方法采用现场调查的方法在北京地区选取943份样本,3个月后随机抽取32人对饮食方式调查表重测。
By using questionnaires, we made a sampling investigation on students specializing in calisthenics in Grade 01 and 02. Investigation items include teaching content and teaching model.
采用问卷调查法,对我校0 1、02级健美操专项的学生进行了抽样调查,调查的项目主要是健美操教学的内容和形式。
This paper presents Shenzhen high rise office building sampling investigation, finds their basic condition in respect of building energy consumption, analyses the potentialities of energy saving.
通过对深圳市高层办公建筑进行抽样调查,得到了其建筑能耗的基本状况,并对深圳市该类建筑的节能潜力进行了分析。
This paper represents an advanced sampling investigation approach introduced to solve the troubles collecting information for water planning, which has been applied in practice and got great effect.
本文对农村社会经济资料的抽样调查进行了定量分析 ,得出在水利规划中为了弥补全面搜集规划资料的困难 ,引进国际先进的抽样调查方案 ,可以取得较好的规划效果。
DESIGN: Cluster sampling and cross-sectional investigation.
设计:整群抽样,横断面调查。
Studies show that surface sediments of the flood land seem to be the best sampling media in ultra-low density geochemical investigation in forest-swamp areas.
研究成果表明,河漫滩表层沉积物是森林超低密度地球化学调查的最佳采样介质。
Investigation of pollution situation of bottom layer of a landfill by boring sampling was carried out.
通过钻探取样对一个垃圾场底部土层的污染状况进行了现场调查。
Method To carry out the comprehensive investigation on the medical quality of 24 different level hospitals in this area, which selected by stratifying sampling.
方法:采用分层抽样调查方法,对本区域24所不同级别医院的医疗质量进行全面调查。
Hygiene investigation was carried out in 156 classrooms of 36 schools with stratification sampling.
采用分层抽样方法,对36所学校、156间教室进行卫生学调查。
Systematic community investigation into street trees in Shenyang was carried out using typical sampling method.
采取典型抽样的方法对沈阳市行道树进行了全面的群落调查。
Firstly: the analysis and investigation on the composition of FCC flue gas provide sampling equipment based on knowing its component, content and the range of state parameters.
首先:通过对催化烟气组分进行了调查分析,了解其组分、含量与状态参数范围,为选择采样设备提供依据。
Methods 5 kindergartens were selected by whole group sampling in Fuzhou city district, 778 infant parents answered the questionnaire investigation.
方法采用整群抽样方法在福州市区抽取5所幼儿园,并对778名幼儿家庭进行问卷调查。
The national total population was adjusted for the sampling error and investigation error.
全国数据根据抽样误差和调查误差进行了修正。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法采用非概率随机抽样方法,选取283户家庭进行调查,并对调查结果进行统计、分析。
Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.
方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象,进行个案调查和血清学检测。
Result of forest soil sampling indicates that: design-based approach is mainly based on the traditional investigation, the number of samples and study area are mostly considered by this approach.
森林土壤取样的研究结果表明:基于设计的取样策略主要建立于传统的调查取样的基础上,需要多少样本,研究区应设定多大范围是设计考虑的主要内容。
Methods Using cluster sampling and typical investigation, a spot research was taken while experimental indexes were determined by clinical, biochemical and toxicologic methods.
方法采用整群抽样与典型调查结合的方法进行现场调查,结合临床检查、生化分析和毒理学方法进行实验室检测。
Methods General investigation was adopted to understand the water supply situation in rural areas and stratified random sampling was used to monitor the water quality.
方法按照相关调查表要求,对农村供水情况进行普查,供水水质采用分层随机抽样的方法进行监测。
Based on production investigation and sampling data by fishing vessel in 2005, composition and monthly variation of by-catch were analysed with data analysis tool of Microsoft Excel.
根据2005年渔业资源监测船生产调查资料和现场取样数据,运用数理统计方法分析了虾拖网副渔获组成及其月份变化等。
Field investigation includes traffic volume, axle loads, types, amount, and severity of pavement distress, measurement of deflection of pavement highway structure, and pavement sampling.
路面调查工作包括交通量调查,轴载调查,路面损坏的类型、数量与严重程度的记录,路面结构的弯沉以及路面取样。
Methods 3-stage sampling was adopted to collect 15-69 year old constant inhabitants at sites of surveillance for questionnaire investigation.
方法采用3阶段抽样方法,抽取监测点15 ~ 69岁常住居民进行问卷调查。
Method: Using stratified cluster sampling, sampling an elementary school respectively in the city and countryside, carries on the check by sight and the correlation factor investigation.
方法:应用分层整群抽样方法,在城市、农村小学中各抽取一所小学,进行视力检查及相关因素调查。
Methods an investigation was conducted through asking by random sampling the nursing staff to answer the questionnaires distributed to them.
方法采取随机抽样填写发放的问卷的方式进行调查。
Methods an investigation was conducted through asking by random sampling the nursing staff to answer the questionnaires distributed to them.
方法采取随机抽样填写发放的问卷的方式进行调查。
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