查询词典 sampling fraction

Cell survival was evaluated using optical bioluminescence on days 1, 5, 8, 14, and 28 postoperatively. At 4 weeks, fractional shortening and ejection fraction were determined using echocardiography and magnetic resonance imaging, respectively.

在手术后第1、5、8、14及28天用生物发光法测定细胞的存活率。4周后，分别用心脏超声和磁共振影像学测定缩短分数和射血分数。

By allocating code space precisely to a fraction of a bit, arithmetic coding achieves a better efficiency than Huffman coding.

算术编码则进一步将编码空间的配置精确至小数，达到更佳效果。

The same figure shows also their bivariate population distributions as a function of population density and vegetation fraction.

同样图并且显示他们的二元人口分布作为作用人口密度和植被分数。

The effects of blackening time and the mass fraction of phosphorus of the coating on the morphology of a porous coating was investigated.

以不同磷的质量分数的镀层为研究对象，研究了腐蚀时间、镀层中磷的质量分数对镀层表面构造一种多孔结构的形貌特征的影响。

Compared with TEA,TiBA activated system produced more blocky copolymer,but the blockiness of its block fraction is lower.

与三乙基铝相比，三异丁基铝为助催化剂得到的不溶级份含量及丙烯含量都较高，但其嵌段性却较低。

Results: In group A,blood platelet packing fraction and MMP-9 were decreased more than that in group B.

结果：A组在降低血小板聚集率和MMP-9方面均优于B组。

Most people use only a fraction of their lung capacity for breathing.

适当的呼吸是瑜伽5个基本要点之一。

The long memory of time series array firstly was found by Hurst in 1951, and then was established mathematical foundation by introducing fraction Brownian movement and conception of fractal by Mandelbrot.

时间序列的长记忆性，最早是由水文学家赫斯特于1951年提出来的，之后又由Mandelbrot引入分数布朗运动以及分形概念为之建立了严格的数学基础。

It means that macrophage may relay brucella antigen to DCs by cell fraction or vesicle.

这表明巨噬细胞可能以细胞碎片或膜包小泡的方式向DCs传递抗原。

The production of value-added products based on butene oligomerization is one of the effective ways to improve the comprehensive utilization of four carbon fraction.

以丁烯齐聚为基础生产高附加值产品是提高碳四馏分化工综合利用率，为企业挖潜增效的有效途径之一。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。