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- In addition,the variation rate of load command also has comparatively large influence upon combustion efficiency of the boiler. 此外,负荷指令变化速率也对锅炉燃烧效率有较大影响。
- Major risk factors were mass allergen, PEF variation rate >30%, dyspnoea at night, respiratory tract affection, and so on. 主要危险因素接触大量致敏原为主,其他依次为PEF变异率>30%25,夜间呼吸困难,呼吸道感染等危险因素。
- The results also show that the lateral flow exchange between tributary and main channel is proportional to the variation rate of the discharge in main channel. 将该模型应用于历史上某次垮山堵江溃决洪水，得到的计算结果与实测资料和洪痕数据相吻合。
- Then, the paper deals with the effect of the diffraction efficiency variation rate on the time required for the laser pulse to build up and the shape of the pulse. 首先实验测得了衍射效率变化速率情况,然后模拟了常数衍射效率变化速率变化以及变量衍射效率变化速率对输出脉冲特性的影响。
- In the 471bp fragment of mtDNA-COI gene, there were 227 variable sites and 195 parsimony_informative sites, and A+T was about 66.7%. The variation rate of transition was larger than transversion. 在获得的471bp序列中;共有227个变异位点;195个简约信息位点;A+T约占66.;7%25;转换发生比颠换更频繁。
- This paper is mainly on the diffraction efficiency when incident light is non-paralleled and the effect of the diffraction efficiency variation rate on temporal characteristics of the output pulse. 本文主要对非平行光场入射时声光衍射效率的情况以及声光开关的衍射效率变化速率对输出脉冲时间特性的影响两个方面进行了研究。
- The variation rate of latencies and wave amplitudes from both cortical and sub-cortical SEP at different surgical stages were analyzed to evaluate their correlations with body height, weight and age. 分析术中皮层和下皮层SEP的潜伏期和波幅在不同手术阶段的百分比变化率与体质量、身高、年龄的相关性。
- The nitrate-nitrogen variation rate was one of the important parameters to describe ammonia-nitrogen nitrification status in biological treatment of slightly polluted source water. 硝酸盐氮变化率是描述微污染水源水生物处理系统氨氮硝化状况的重要参数。
- Autotetraploid strains which are developed from diploid individuals by colchicine treatments exhibit high variation rates of embryo sacs. 摘要以秋水仙素加倍的同源四倍体水稻三系株系具有高比率的变异胚囊。
- variation rate of the first modal 一阶振型变化率
- the variation rate of accommodation space 可容纳空间变化率
- relative frequency variation rate 相对频率变差率
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- The cytological observations of calli of immature embryos and root-tips of plantlets were carried out. The result showed that most of their chromosome numbers were 2n=28 and that their variation rates were 33.04% and 12.9% respectively. 对幼胚愈伤组织和再生植株根尖进行了细胞学观察;绝大多数染色体数目为2n=28;变异率分别为33.;04%25和12
- Prices have not shown much variation this year. 今年物价没显出多大变化。
- Variation rates of atomic radial size 原子径向变化率
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- Prices are subject to variation. 价格可以变动。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- They charge a fixed rate for each transaction. 他们对办理的每项业务收取一定的费用。
