方法：在北柴胡不同发育阶段取样调查。
Method: Plant samples of different growing periods were collected and investigated.
我们还可以摆脱用区域性取样调查的结论来进行全球推导的习惯。
And we can shake the habit of sampling locally and extrapolating globally.
地表可燃物载量调查采用线状相交可燃物取样调查方法，按不同径级调查可燃物载量。
The linear intersect combustibles sampling method is used for combustibles capacity measurement in different diameter grades.
通过单位面积取样调查，定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
通过对重庆市全境范围39个区县农田土壤及主要粮食作物进行同步取样调查，获取土壤样品456份，水稻、玉米植株及籽粒936份。
Based on synchronous sampling of soil and crops from 39 counties of Chongqing, 456 soil samples and 936 crop samples (including stem, grain of paddy and corn) were collected.
这项调查使用的是对中西部地区2000人的随机取样。
The survey used a random sample of two thousand people across the Midwest.
虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。
Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.
当然，Keller ' s和addate ' s的物种取样并非决定性的。自1978年开始很多调查就将物种灭绝与小行星联系在一起。
Keller's and Addate's species samplings are not, of course, conclusive, and plenty of other surveys since 1978 do tie the extinctions closely to the asteroid.
研究调查了1000对以上的夫妻，取样来自于日本、德国、巴西、西班牙和美国。
This study surveyed more than 1, 000 couples in Japan, Germany, Brazil, Spain, and the United States. Here is what the researchers found about what men want in women.
五分钟后，研究人员对调查对象的唾液进行取样分析，测量其中皮质醇的含量。
After five minutes the researchers took mouth swabsand salivasamples from the male subjects and then measured their cortisollevels.
当然，数据集每一项取样，特别是当你没费力气的方式进行调查，那么数据集每一项取样可能会有片面的，所以数据集质量与取样时的背景有关。
Context is, of course, everything when it comes to datasets, especially when those datasets are likely to be biased in ways you never bothered to investigate.
五分钟后，研究人员对调查对象的唾液进行取样分析，测量其中皮质醇的含量。
After five minutes the researchers took mouth swabs and saliva samples from the male subjects and then measured their cortisol levels.
深海浅地层岩芯取样钻机是进行深海底矿产资源勘探、深海底地质调查等不可缺少的重大技术装备。
Core sampling drill for deep seabed shallow strata is necessary equipment in exploration of deep seabed mineral resources and survey of deep seabed geology etc.
运用倒置“W”9点取样法，对黑龙江省北部大豆小麦轮作区小麦田做杂草调查。
Wheat field weed survey was conducted using an inverted W-pattern with 9 sampling points in the north region of Heilongjiang province.
采用倒置“W”取样法对河北省玉米田杂草进行了调查，以明确田间杂草的种类组成及群落结构。
Weed survey was conducted by sampling methods of inverted W-pattern to determine the species composition and structure of weed communities in maize fields in Hebei Province.
通过系统取样的样线法调查整个研究区域环境变量的特征。
Line transects of systematic sampling were used to survey the fundamental characteristics of the environmental variables in the study area.
通过样地调查和取样分析，分析了林芝县高山松林下各类可燃物的含水率及其资源量。
With the help of sample plot survey and sampling analysis, the water-containing rate and amount of resources of all kinds of combustibles under alpine pine forest in Nyingchi County are analyzed.
本试验采用对样枝分级，且不断更替的取样方法，进行了14个月的月季黑斑病流行的系统调查。
The epidemiological aspect of rose blackspot was investigated systematically for 14 months by means of grading and replacing of branch samples.
根据竹螟幼虫分布的特点，确定了不同密度下的最适抽样数、序贯抽样的应用和调查取样方法。
The optimum sampling number, the sequential sampling application and the sampling method at different densities were determined based on the characteristics of the larva's distribution.
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。
Investigation of pollution situation of bottom layer of a landfill by boring sampling was carried out.
本文介绍了加拿大地质调查局海洋地质取样和样品分析方法。
Marine geological sampling and sample analysis methods of the geological Survey of Canada are introduced in the paper.
为了解北京市生产、销售和使用的一次性使用卫生用品的卫生质量状况，采用现场抽取样品和实验室检测方法进行了调查。
In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.
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。
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.
对于需要通过抽样调查获得数据的统计指标，简要讨论抽取样本和构造估计量的方案。
As for those statistical indicators needed to use sample survey to attain data this article discusses program of drawing sample and constructing estimator simply.
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。
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。
Field investigation includes traffic volume, axle loads, types, amount, and severity of pavement distress, measurement of deflection of pavement highway structure, and pavement sampling.
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