the relation between two similar magnitudes with respect to the number of times the first contains the second: the ratio of 5 to 2, written 5:2 or 5/2. proportional relation;rate: the ratio between acceptances and rejections. Finance.the relative value of gold and silver in a bimetallic cu...
The objective was to examine prospectively the association between low testosterone and sex hormone-binding globulin (SHBG) levels and the subsequent development of type 2 diabetes in men.#Analyses were conducted on the cohort of the Mas... R Stellato,H Feldman,O Hamdy,... - 《Diabetes Care》...
a growing number of babies were born from IVF or ICSI10. It was estimated that ART has contributed to the birth of over 5 million live born babies worldwide11. Notably, as women undergoing ART received Ovulation induction treatment and the embryos culturedin vitrofor...
2、ratio：Ratio is the ratio between different categories of data in a sample (or population). 比率（ratio）是样本（或总体）中各不同类别数据之间的比值，由于比率不是部分与整体之间的对比关系，因而比值可能大于1。三、侧重点不同 1、rate：rate是百分比的意思。2、ratio：ratio是比例几比几。
Mller,and E. Danchin 摘要: Sex allocation theory proposes that parents should bias the sex ratio of their offspring if the reproductive value of one sex is greater than that of the other. In the monogamous blue tit (Parus caeruleus), males have a greater variance in reproductive success ...
一、意思不同 1、proportion构成比；比例通常以100％为比例基数，用来说明各构成部分在总体中所占的比重或分布，比如什么东西在什么中占的比例很大 。2、ratio意思是比，比率。二、强调不同 1、proportion强调一物与他物在数量、大小等方面的关系。2、ratio强调是整体与部分、部分与部分的比率。两个相关...
The population sex ratio, spatial distribution, relative growth rate, canopy size and morphology, and nitrogen content of leaves of male and female individuals were compared in seven populations of the dioecious shrub Pistacia lentiscus L. occurring in different localities of the Serra da Arrábida...
Many women are working outside of the home, occupying a multitude of jobs with varying degrees of responsibilities and levels of psychological stress. We investigated whether different job types in women are associated with child sex at birth, with the hypothesis that women in job types, which ...
部分；面积；均衡 vt. 使成比例；使均衡；分摊 ratio n.(名词) 比，比率；【数】比例；系数；比值；【经】复本位制中金银的法定比价； 【律】判决理由 v.(动词)用比例方式表达；求出...的比值 The ratios of 1 to 5 and 20 to 100 are the same.1与5之比和20与100之比相同。
Environmental sex determination: interaction of temperature and genotype in a fish. Sex determination in an atherinid fish, the Atlantic silverside (Menidia menidia), is under the control of both genotype and temperature during a specific period of larval development. The sex ratios of the progeny...