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- rapid speed fluctuation 快速起伏
- The army went forward at a rapid speed. 军队迅速前进。
- The national economy continued to grow at a relatively rapid speed. 国民经济保持较快增长。
- Then a real-time quasi-steady turboshaft twin-engined model is founded by simulating the rotor speed fluctuation. 为模拟大负载情况下旋翼转速的波动，建立了双发准定常涡轮轴发动机实时仿真模型。
- The ruby-throated hummingbird beats its wings at the incredibly rapid speed of 50 to 70 times a second. 红颈蜂雀飞行时振翅频率极高，达到一秒种五十到七十次。
- The test results show that the misfire malfunction simulation device can run reliably and have an apparent influence on the engine crankshaft instantaneous speed fluctuation. 实验结果表明，失火故障模拟装置运行可靠，通过对发动机瞬时转速波动的诊断能够有效地检测失火故障。
- The rattling model of a one stage gear system is established,in which mass unbalance,speed fluctuation of driving shaft and backlash of the gear pair are considered. 在考虑不平衡质量、主动轴转速波动及齿侧间隙的情况下,建立了单级齿轮传动系统的拍击振动模型。
- And, consequently, since Morgan's book, progress in this field has been made at a far more rapid speed. 因此，现在在这一领域内正取得比摩尔根的著作出版以前更加迅速得多的进步。
- In radio programmes, Lomax warned us that we were squandering age-old music traditions at rapid speed. 在电台节目里，罗马克斯警告我们我们正以飞快的速度废弃着古老的音乐传统。
- Though it has developed and sprung up since merely 5 years ago,it has been developing in an amazingly rapid speed. 网络广告的发展和兴起只有不到5年的时间，但他发展的速度令人惊异。
- Compared with the Newton-based CPF method, this algorithm has more rapid speed and track P-V curve with high accuracy. 通过与牛顿连续潮流法对比发现，改进后的算法能够更快速又不失准确的追踪 曲线。
- The advantage of this process is simple composition,rapid speed polishing,good brightness and low pollution. 该工艺的优点是成分简单、抛光速度快、光亮度好,低污染。
- Three factors of influencing rotation speed fluctuation, torque, feedback of rotation speed and plus of speed controller, were analyzed. Resolvents in allusion to each factors were given. 摘要分析了影响永磁交流伺服系统转速脉动的三个主要因素，即转矩脉动、转速反馈和速度控制器增益，并针对各个影响因素提出了相应的解决措施，仿真结果表明了理论分析的正确性。
- The rapid speed and high rate of the treatment are mainly due to the adsorption and the corrosion cell decolorization. 吸附作用和腐蚀电池还原脱色作用是该法处理速度快、效率高的主要原因。
- The influence of printing speed on the density and chromaticity of the three-color was analyzed quantitatively through experiments to control the effect of printing speed fluctuation on the color reappearance. 为了控制印刷速度的波动对色彩再现的影响，采用实验的方法，定量地分析印刷速度变化对印刷三原色的密度及色度的影响。
- While the FDI absorption of the eastern areas is growing at a rapid speed,the western regions have also made obvious headway in its FDI attraction. 在中国东部地区吸收外资迅速增长的同时，西部地区吸收外资也取得了明显进展。
- By this method,and the feeding increments of two coordinates can be found separately.The method is simple and its result is accurate.Also the feeding speed fluctuation is very small. 采用该方法求出了一个插补周期内两坐标各自的进给增量,其计算结果精确,而且进给速度波动不大。
- The performance of high speed rolling hearing was studied under unstable conditions of rotation speed fluctuation, and the failure modes of the hearing were analyzed under such conditions. 摘要分析了高速滚动轴承在转速波动这一非平稳状态下的运行状态，研究了转速波动对轴承运转性能和失效模式的影响。
- Our core market, China is changing at a rapid speed, with industry boundaries blurring and customers getting increasingly sophisticated. 集团的核心市场中国正急速变化,行业疆界变得模糊,顾客要求愈来愈复杂和成熟。
- You could almost see its legs moving together in pairs. Its rapid speed and the accurate direction of its movement impressed me very much. 你几乎可以看到它的每一对腹足都同时在蠕动着,其速度之快,方向之准确,令我印象非常深刻。
