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- geometric mean frequency 几何平均频率
- The best beaches are ranked as Good, while those beaches with a higher geometric mean are ranked Fair. 水质最佳的泳滩级别为良好,几何平均含量较高的泳滩级别为一般。
- In 1998,the reinfection rate was 23% and the geometric mean intensity of infected subjects was 64 5 epg. 1998年 ;感染率为 2 3.;0%25;感染度 (EPG)几何均值为 6 4
- The geometric mean of the autoantibody is 1:62 in DCM group, 1:4 in non-DCM group, and 1:4 in normal control group. DCM组的抗心肌抗体平均几何滴度为1：62，非DCM组为1：4，正常对照组为1：4。
- The geometric mean peak current of return strokes is 11.9 kA with a range from 6.6 kA to 21.0 kA. 回击电流峰值的几何平均值为11.;9kA;变化范围为6
- The geometric mean titers of CFT-antibody of group A,B,C and D were 8.88, 30.28, 42.71 and 50. 10. respectively . CFT抗体的几何平均滴度依次为8.;88、30
- Construct a right triangle with given hypotenuse c such that the median drawn to the hypotenuse is the geometric mean of the two legs of the triangle. 这题大概是：构造一个直角三角形（斜边c已给定），使斜边上的中线长度是两直角边长度的比例中项。
- The results showed that the fetal-heart rate obtained by computing from the autocorrelation waveform based on the smoothed mean frequency shif... 通过对实际超声多谱勒胎音信号的处理,获得了较好的结果,提取出了稳定、平滑的胎心率曲线,较准确地计算出了胎心率。
- The results indicated little difference in the geometric mean diameter (GMD) of the ETS particles from those in background air. 研究香烟数量和不同厂牌、不同采样区域和不同的通风速率的结果。
- By varying the blood volume fraction (Vb) , we investigated the effect of multiple scattering on the total frequency shift and the mean frequency shift. 指出在血球浓度较小时,平均频移反映红血球的平均速率,在浓度较高时反映红血球的均方根速率;
- The geometric mean (GM) and geometric standard deviation (GSD) were calculated to represent summary indicators of the intensity and variation of the magnetic field in each home. 吾人计算几何平均数与几何标准差来代表每一个家户内磁场的强度与变异性，并进行全体样本家户间磁场强度与变异之描述性统计。
- Each mean amplitude increased from proestrus on, with a maximum for uterus in metaestrus and for ileum in estrus, when mean frequency of both was random under all conditions studied. 二者动作的平均幅度均自求偶前期起著增加。
- There is marked difference of mean weight diameter(MWD) and geometric mean diameter(GMD) among the three types of slope soil, and the values both show the following order: FS> NS > RF. 土壤颗粒平均重量直径和几何平均直径在不同类型边坡土壤之间存在显著差异，均表现为岩石源植生土＞自然边坡土＞农田源植生土。
- The limit theorems of arithmetic mean and geometric mean were discussed in many articles.In this article, we give some sufficient conditions about the law of large number of logarithmic mean. 摘要关于算术平均和几何平均极限定理在许多文献中有所研究，本文主要给出对数平均大数定律成立的若干充分条件。
- Inthis paper,We shall expound several geometric means comparative signifcat test method-ank test. 在此基础上,今又提出多组几何均数比较的顺序检验。
- Then an arithmetical mean, which came from the geometric mean of these three measures multiplying sub-band weighted coefficients, was used as final comprehensive assessment indicator. 然后将这三个指标的几何平均与频段加权系数的内积做算术平均，以此作为图像质量的综合评价指标。
- Week 5 The definition and nature of derivative. the geometric meaning of derivative. the relation between the derivability and the integral. derivation rule. 第5周 导数概念.;导数的定义
- Based on the geometric meaning of Dupin's indicatrix, the local cutting condition is analyzed to meet two conditions of the optimal cutting orientation. 文中给出了五轴加工中环形刀具势态优化的两个条件,并根据杜潘标线的几何意义,分析了加工曲面和刀具曲面的局部几何特性。
- annual geometric mean Escherichia coli level 全年的大肠杆菌几何平均数
