查询词典 fixed sample

The fourth chapter arises the problem of aging of sample aiming at the applied fixed sample survey.

第四章，针对采用的固定样本调查方法，提出样本老化问题，并由此引出关于样本轮换问题的简单探讨，提出样本轮换主要遵循的原则。

The examples show how to have a accordant test in interal control system by means of fixed sample size sampling and the testing of estimation of difference in variable sampling was explained by examples.

现代审计的主要标志之一是审计方法的改进，在评价内部控制系统为基础的审计中采用了统计抽样的方法，提高了审计效率，保证了

After a long course of development, we feel that the development of IMI index has been relatively mature, with fixed sample group measurement, and online surveys, and other more mature way, so we think through the first half of the 08 media network Monitoring data can draw the following conclusions and found

在经历了一个漫长的发展历程之后，我们觉得IMI指数的发展已经相对较为成熟了，有了固定样本组测量，以及网上调查等比较成熟的方法，所以，我们认为通过对08年上半年网络媒介监测数据可以得出以下结论和发现

In ocean wave simulation,a view-dependent ocean wave mesh model is given by experiment analysis for two common mesh models,which are based on random sample points and based on fixed sample points.

在海浪模拟中，通过对两种常用网格化模型(基于随机采样点的网格化和基于固定采样点的网格化)的实验分析，给出了一种视点相关的海浪网格模型。

The main work of this thesis is simulation study on the basis of large sample properties for two estimates by Monte Carlo method with some models. We consider the problem of the choice of window width, consistent rate and some doubtful points about consistent rate with fixed sample size.

本文的主要工作是依据大样本性质，对特定模型的这两种估计用Monte Carlo方法进行了模拟试验，讨论了长度有限的样本情况下窗宽的选择问题，比较了两种估计的拟合程度，相合速度并提出了对相合速度的一些疑难点。

In order to understand the water conservation function of forest in the Three Gorges Region of Yangtze River and provide fundamental basis for vegetation construction of this region,the function of canopy interception of three main forest types based on the data from fixed sample plots in Jinyun Mountain in Chongqing City were studied.

为探讨长江三峡地区的森林水文作用，并为长江三峡的植被建设提供依据，研究重庆缙云山自然保护区3种森林类型典型林分的林冠截留作用。

Three small overflow dam s with different grade in an urban river were constructed and the water quality in different fixed sample points were periodically monitored.

对人工搭建的三个不同坡度的小型溢流堰堰体上下的水质进行定期监测，考察溢流堰坡度对水体溶解氧和有机污染物浓度的影响。

Although the process for calculating the optimal fixed sample size is quite simple, it doesn't stop unless the last sample collected. So it has the property of the fixed overall cost.

最佳固定抽样个数法虽然计算简易，但无提早停止抽样的特性，即有固定成本性质。

The result indicates that the BCPB method is the better approach among four bootstrap methods for process comparison due to its stable error probability and larger selection power with a fixed sample size.

所以在这四种复式抽样方法中，BCPB之复式抽样法为表现比较好的方法。

Comparing with Adenophora potaninii, the endangered time, space and mechanisms of A. lobophylla are completely studied through population ecology and reproductive biology, field investigation with wide scope, long-term observation of fixed sample plots, timely observation and indoor cultivation.

本文以泡沙参为对照种，采用野外实地观测和室内栽培观察相结合的方法，对裂吐沙参(A.lobophylla)全面地进行了种群生态学、生殖生态学研究。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。