1.
Analysis and countermeasure on the launching rate of in-class experiments for new textbooks for senior middle schools;
高中新教材随堂实验开出率的调查分析及对策
2.
The birth rate has begun to de-escalate.
出生率已开始逐步降低了
3.
The Study of the High-output-frequency Resonant Pole Soft-Switching Inverter;
高输出频率谐振极软开关变频器的研究
4.
The Control of Output Power for Variable-Speed Direct-Driven Switched Reluctance Generator Based Wind Turbine
变速直驱开关磁阻风力发电机输出功率控制
5.
Control principles of switched reluctance generator for maximum output power
开关磁阻发电机最大输出功率的控制原则
6.
method of ratio production
比率产出法比率产出法
7.
The extraction rate of coal in hydraulic coal mining is subject to the influence of a number of factors, and it varies widely, bepending on mining conditions.
水力采煤的原煤采出率有很多影响因素,由于开采条件不同,采出率差距很大。
8.
the rate of aniylose accumulation reached a peak from the 21St to 28th DAA and the peak of amylose accumulation amount appeared on the 35th DAA;
直链淀粉积累速率峰值在开花后2128天出现，积累量峰值在开花后35天出现；
9.
opening rate & closing rate
开盘汇率与收盘汇率
10.
This depletion will occur at the rate of $4 per ton as the coal is removed from the mine.
当煤被开采出矿场时,损耗将以4美元／吨的比率发生。
11.
A.D. 228 Spring, Zhuge Liang led the army to embark from Hanzhong, started the first Northern Expedition.
建兴六年(228年)春，诸葛亮率领大军出汉中，开始第一次北伐。
12.
Water blending under, pump is bound to cause blended water's circling and high water-bearing of produced liquid, which is bad to enhance oil recovery.
泵下掺水易形成掺入水空循环、来出液含水高，不利于提高开采效率。
13.
Variation charcateristics of mountainous runoff in the Kaidu river basin,Tianshan mountains;
开都河天山出山径流量年际变化特征与洪水频率分析
14.
output-input ratio
输出功率与输入功率比
15.
full power response
最大功率输出频率特性
16.
This method can improve the ore extraction rate and reduce the ore dilution rate and has been found to be a rational mining method for the mine.
该方法提高了矿石的回采率，降低了矿石的贫化率，为矿山寻找出一条合理的开采方法。
17.
Since the introduction of the basic national policy of family planning, China's population birth rate and natural growth rate declined on an annual basis.
中国自70年代开始实行计划生育基本国策以来，人口出生率和自然增长率逐年下降。
18.
The birth rate have fall to twelve per hundred.
出生率下降到12％。