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- Compared stress and librations distortion of the first fre quency and gained better beam. 通过结构的变形和一阶频率的振型研究比较,初步确定了较为合理的横梁结构。
- When the acoustic-optic modulator(AOM) introduces a fre quency offset,the accuracy can be enhanced. 高频信号和低频信号分开处理，消除了信号的相互干扰。
- Fir st, dependable data are acquired through experiment of three-phase (variable fre quency variable speed) asynchronous electrical machine for secific inverter fed. 首先，对特定逆变电源供电的三相(变频调速)异步电动机进行实验，取得可靠实验数据。
- The applied plan is introduced of fre quency control system by the microco mputer for constant -pressure wa-ter supply to circulating pump stati ons,and the system is analysed. 介绍了微机控制变频恒压供水系统在循环泵站中的应用方案,并对系统进行了分析。
- It describes principle of adaptive array antenna technology and the im-prove ment of fre quency utilization rate for the application of this technology to mo-bile communication system. 介绍了自适应阵天线技术的实现原理,及该技术应用于移动通信系统中对频率使用率的改善。
- Keywords complex resistivity well logging;fre quency dispersion;dual laterolog;forward and inversion;finite element method simulation; 复电阻率测井;频散;双侧向测井;正反演;有限元法模拟;
- 3.Fir st, dependable data are acquired through experiment of three-phase (variable fre quency variable speed) asynchronous electrical machine for secific inverter fed. 首先，对特定逆变电源供电的三相(变频调速)异步电动机进行实验，取得可靠实验数据。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- He because of bashful but low head. 他因羞愧而低下了头。
- The ship lay keeled over at low tide. 那艘船因退潮而倾覆。
- My home town lies low in a hidden valley. 我的家乡位于一个隐蔽的山谷里。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- After a brief rally share fall back to a new low. 股票经过一次短暂回升后回落到一个新的低点。
- Talking in a low voice were a man and a woman. 低声讲话的是一男一女。
- Judy bent her face low over the notebook. 朱迪把脸凑近笔记本。
- The food should be kept at low temperature. 这种食品应低温保存。
- The publisher paid his hacks low. 出版商付给他雇佣的文人很低的费用。
- Winter is the low season at seaside hotels. 冬季是海滨旅馆业的淡季。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
