F ratio

Results M/ F ratio was higher in carcinoma group ( P < 0.05).

结果腺癌组中男性高于另外2组（P<0.05）。

Titania Thick Film Sensor for Automobile A/ F Ratio Control

汽车空/燃比控制用的TiO2系厚膜氧传感器

GMI ratio profile shows symmetric two peaks for f > 100 kHz at zero DC bias current.

直流偏置电流改变了非晶带横向磁导率,造成阻抗变化的不对称.

Application of Modern Control Techniques to A/ F Ratio Control

现代控制技术在发动机空燃比控制中的应用

A refracting reflecting flat CCD camera with quick F ratio and wide field is introduced.

介绍了折反式大视场强焦比平场CCD照相机的设计思想和方法,给出了详细的结构参数和像斑弥散直径.

Usually it was thought the molecular concentration was in direct ratio of the absolute value of discharge current for concentration modulation technique& twice the discharge frequency f.

浓度调制通常被认为是瞬态分子的浓度正比于放电电流幅度的绝对值，即为放电频率f的2倍。

In F-2 population the segregation of molecular markers were in consistent with expected ratio of two independent genes.

由于这样的分子标记实际上就是功能基因本身局部片断的扩增结果，所以能非常可靠地直接鉴别该功能基因，F2群体中分子标记的分离比例与2对基因的独立分配比例完全一致。

High F ratio oligopeptide was a kind of physiological function active peptide.

高F值寡肽是一类生理功能活性肽.

It has a 1:8~10 F : M ratio and high rate of occurrence in women of childbearing.

本病好发于育龄女性,男女发病率之比为1:8～10.

The best theoretical O/ F ratio is 8.1.

发动机理论最佳配比为8.1。