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- separate ratio estimate 分别比率估计值
- At any rate,the separation ratio is accurate. 无论如何;这个分离比是比较精确的.
- At any rate, the separation ratio is accurate. 无论如何,这个分离比是精确的。
- At any rate the separation ratio is accurate. 无论如何这个分离比是精确的。
- Objective To study the impact of store temperature,time and wash method of sputum specimens contained CPB on the separate ratio of M.tuberculosis. 目的研究加有溴化十六烷基吡啶(cetylpyridiumbromide,CPB)的痰标本的存放时间、温度及洗涤方式对结核菌分离率的影响。
- approximate variance of the ratio estimate 比率估计的近似方差
- Ratio Estimate in Two-Stage Sampling 二阶比估计
- Limiting distribution of ratio estimate 比率估计值的极限分布
- In this paper, the bias of the ratio estimator and the estimateof mean square errors of this estimator with known numerator have been compared and discussed. 给出了分子已知情况下比率估计量的偏差和均方误差以及均方误差的估计,并对两类比率估计量进行了比较.
- Nonreponse is a common seen problem in sample surveys. This paper deal with a ratio estimator by use of double sampling when there exsits nonresponse. 无回答是在抽样调查中常遇到的问题,本文给出了如何用双重抽样来处理存在无回答时的比率估计量。
- My simple excel file can already manipulate the existing data to do HSF/HHF arbitrage, golden ratio estimation and much much more ‘functions’ if I want to. 幸而通道底部支持亦在上移中,限制了指数的再跌空间,令大市有机会于未来一、两个月内呈现反覆上升的走势。
- Secondly, this thesis compares the hedging effectiveness of two hedge ratio estimating methods, the Ordinary Least Square (OLS) and Error Correction Model (ECM). 第二,论文在理论上比较了最小二乘法(OLS)与误差修正模型(ECM)两种套期保值率估计方法下的套期保值效果。
- We can separate the stones out with a sieve. 我们可以用一个筛子把石头分离出来。
- The Ratio Estimate of Two Ratios 两个比率的比率估计量
- The photocatalytic activity of the catalysts was investigated by photocatalytic decolorization of (TNR).The photocatalytic activity of the catalysts is high and the separating ratio is 93%. 利用降解斯蒂酚酸考察其光催化性能及磁分离性能,制得的催化剂有较高的光催化活性,且分离率可达93%25左右,具有较高的可分离性。
- This word has three separate meanings. 这个词有三个不同的意思。
- Separate the two pipes by unscrewing them. 松开螺丝把两根管子拆开。
- Oil and water always separate out. 油和水总是分开的。
- A gin is a machine to separate seeds from cotton. 轧棉机是把棉籽从棉花里分离出来的机器。
- This paper discusses three methods for the signal-to-noise ratio estimation of seismic records,and they are SVD method,statistical averaging method and frequency-domain estimation method,respectively. 估算地震记录信噪比的三种方法有SVD法、统计平均分析法和频率域估算法。