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- net reproductive ratio 净再生产比率
- The bigger the total initial density was,the smaller the clonal reproductive ratio was. 初始密度越大,无性繁殖率越小。
- According to the items examined,clonal reproductive ratio and biomas per branch of each population were affected obviously by itself,and also by other factors. 从测定的项目看,在不同的种植水平上,每一种群的无性繁殖率和单株生物量明显受到自身和其它因子的影响。
- 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。
- Methods:The color of 150 maxillary incisors and its metal ceramic restorations was measured by MinoltCR 321 chromaticity instrument(D65 daylight simulator inside),the color reproduction ratio was calculated with CIE 1976 L*a*b* system. 方法 :用美能达 CR- 32 1色差计 (D6 5光源 )以 CIE1976 - L* a* b*色度系统分别对 15 0个上颌中切牙及其金瓷修复体色度值进行测色、计算色彩复现率并进行统计。
- He hit the tennis ball over the net. 他把网球打过了网。
- The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- Net reproductive rate and other population parameters of natural popula-tion of Anopheles sinensis in Zhengzhou 郑州中华按蚊自然种群净增殖率和其他参数的研究
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- The fish tangled in the mesh of the net has died. 那条卡在网眼上的鱼已经死了。
- The reproductive quality of audio tapes has improved enormously. 录音磁带的复制质量有了很大改进。
- Practise throwing the ball into the net. 练习投篮。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- She just tipped the ball over the net. 她刚好把球击过网。
- My fishing-line got fouled (up) in an old net. 我的钓丝跟旧鱼网缠在一起了。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The fishermen were hauling in the net. 渔夫们正在把网拉进珑。
- His lawless hair was caught in a net. 他的一头乱发被网钩住了。