您要查找的是不是：
- S ratio (belowground to aboveground biomass ratio) has been widely used for estimating root biomass. 利用根冠比(R:S)和地上生物量来估算地下生物量是目前常用的方法，但目前缺乏根冠比的数据。
- When sleam to biomass ratio (S/B) is smaller than 0.37, the H2 content rises with the increasing of the S/B, but the H2 content decreases slowly when it is larger than 0.37. 发现在水蒸气和生物质比率(S/B)小于0.;37时，氢的百分含量随S/B的增大而增加，S/B大于0
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- The weight of living organisms is called biomass. 生物有机体的重量称为生物量。
- Below-aboveground biomass ratio 地下生物量/地上生物量
- Biomass ratio 生物量
- The increasing of the biomass is at its highest. 生物量的增加速率会最快。
- The addition of Mg2+ could improve biomass. Mg2+的加入可以提高生物量。
- Crop stalks (CSs) are important biomass resources. 摘要农作物秸秆是重要的生物质资源。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Which countries host the Biomass projects? 哪些国家拥有生物质项目?
- Dw = 4A- 0.7696Z/i( r = 0.8667)(index of biomass). 以生物量为指标的多样性指数Dw=4.;4-0
- The ratio of men to women was two to one. 男女的比例是二比一。
- Biomass resources have great potentiality. 生物资源潜力很大。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- The cross ratio he called anharmonic ratio. 他把交比叫作非调和比。
