population ratio的例句大全

Chronic aluminum exposure caused the increased PS ( population spike) amplitude LTP ratio decline gradually. 3.

慢性铝暴露，导致LTP增加的PS（群体锋电位）幅值比率逐渐下降。

however, in the citifying progress, the chief issue is how to increase the ratio of city population in total population and how to change the farmers into citizens.

但是，在实施城镇化战略中，一个首当其冲的问题是怎样提高城市人口占总人口的比重，怎样使农民转变为市民。

the disease is more common among male population and the male to female ratio is about 3. 1 to 1.

该疾病在男性人口中较为普遍，男女患者的比例约为3.

the un population fund estimated that the maternal mortality ratio in 2008 was 250 per 100, 000 live births.

联合国人口基金会（UNPopulationFund）估计2008年的产妇死亡率是250人每100,000个活产。

application of the ratio of bim and whr on health status assessment among aged population

体质指数和腰臀比值在评价老年人群健康中的应用

based on the analysis of population accounting data from different period and source, correction is made for the public health service population in zhejiang province and a simulated prediction of the demand of the healthcare manpower is made by the specific ratio method of healthcare manpower population.

分析不同时期和不同来源的人口统计数据，对浙江卫生保健的服务人口数进行修正，用卫生人力/人口比值法对卫生人力需求进行仿真预测。

it contains six desertification evaluation factors such as the soil moisture, leaf area index, vegetation index, soil texture, occupation ratio of bare sandy and population density. 2.

其中包含了土壤湿度、土壤质地、裸沙占地百分比、叶面积指数、植被指数和人口密度六个荒漠化评价因子。

meanwhile, continuous aging of the population leads to the fall of pension fund's income and payment ratio.

与此同时，人口持续地老龄化，使得养老金的收入和支出的比例不断下降。

population inversion ratio of the upper state for broad-band erbium-doped tellurite-based fiber amplifier

宽带碲基掺铒光纤放大器上能级粒子数反转比

Population, when unchecked, increases in a geometric ratio . Subsistence increases in an arithmetical ratio.

人口, 如果不加抑制, 就会以几何级数增长. 而生存给养是以算术级数增长的.

These problems include the high sex ratio and the growing population aging.

例如出生人口性别比偏高、人口老龄化等.

The high birth defect ( BD ) ratio of Chinese newborn children affected the population quality.

我国新生儿高出生缺陷 发生率 影响着人口素质.

Hebei is the most non-urban population, the ratio of pull-up in a great!

主要是河北的 非 城市人口居多, 在比例上拉了很大一块!

In order to increase solar energy utilization ratio in mulberry gardens, mulberrytrees of different varieties were planted alternately to regulate the growth relationshipbetween individual trees and tree population, between arboreous and Bush mulberries.

为提高桑园空间与光能利用率，在桑园采用不同的桑树品种搭配、进行高低立体交叉栽植，合理调整桑树单株与群体、乔木桑与灌木桑之间的生长关系；

The Guangxi population have a high brachypterous ratio, being similar to the tropical type.

广西种群接近热带型，其雌虫短翅率高但不随密度而变化。

The result showed that the correlation ratio between actual township's total population and the total population calculated by spatialization equaled 0.91 and mean error percentage was 16.5%.

结果为通过空间化得到的各乡镇的人口数与各乡镇的实际人口数的相关系数为0.91，平均误差为16.5%。

The induced abortion women in China have the characters of low age, unmarried, nullipara, increased ratio among floating population, increased repeated induced abortion.

目前我国人工流产妇女呈现出低龄化变化、未婚、未产、流动人口比例升高、重复性人流率的逐年升高的特点。

The ratio of sample size to population size.

抽样规模与人口规模的比率.

The results showed that the sustainable high yield population was characterized by high earing rate, big spike size and high ratio of grain-straw.

结果表明，持续高产田具有成穗率高、穗型大、谷草比高的生育特点。

in 1978, the student population reached 884 with a ratio of 1 lecturer to 15 students.

1978年学生人数达到884人，师生比例为1比15。