2 second so that a serious override trip can be avoided.
2 s内实现有选择性的快速断电,从而避免井下电网因越级跳闸而造成的大面积停电。
This paper conducts a thorough research to the problem of short circuit override trip and inaccurate leakage protection action mainly existing in HV flameproof switchgear comprehensive protection.
针对煤矿高压防爆开关综合保护装置主要存在的短路故障越级跳闸和漏电保护动作不准确的问题进行了深入的研究。
The reasons of override trip in underground power supply system was studied.
研究了井下供电系统越级跳闸的产生原因,利用井下供电系统的特点,提出一种新型的智能连锁型速断保护方案,详细介绍了其实现方法及其各级电流保护配合过程。
The scheme takes an analysis from the whole power system to solve the problem of cascade trip in power system effectively and increase the stability of power system.
提出了一种新型的广域网后备保护系统设计方案,该方案从整个电网的角度对电力系统的故障进行分析,有效地解决了级联跳闸等技术难题,增强了电力系统安全运行的可靠性。
This paper introduces the skipping cascade starting of 42?V auto electrical system and puts forward a new kind of skipping cascade starting mode: skipping cascade starting by series connecting a deeply discharged 36?V storage battery and a partly discharged 12?V one.
简要介绍 42V汽车电气系统跳级起动 ;提出了一种新的跳级起动模式 :将深度放电的 36V蓄电池与部分放电的 1 2V蓄电池相串联来完成跳级起动 ;经过分析并通过试验验证了该模式的可行性。
Comparative Analysis to the Take-off Techniques of Two Elite Triple-jumpers;
中外两名优秀三级跳远运动员起跳技术分析
Biomechanical analysis on Jonathan Edwards’triple-jump technique;
爱德华兹三级跳远技术的生物力学分析
Through using the method of observation,literature and mathematical statistics,this paper makes investigation on take-off violation of male and female jumper who participating in the triple-jump match of the 2007 national track and field specially permission match(Chongqing station).
运用观察法、文献资料法、数理统计法等,对参加2007年全国田径特许赛(重庆站)三级跳远决赛的男、女运动员的助跑踏跳犯规情况进行调查和分析,旨在使教练员和运动员充分认识准确踏跳的重要性,进行有针对性的训练,提高踏跳的准确性,从而创造更优异的运动成绩。
Skip from the fourth to the sixth grade.
从四年级跳级到六年级。
To speed up(an academic course, for example).
跳级加速（如大学课程）
Jumping events include the high jump, long jump, triple jump and pole vault.
跳跃项目包括跳高、跳远、三级跳远和撑竿跳高。
Kinetic Comparative Study on Taking-off of Depth-long-jump and Long Jump;
跳深跳远与三级跳远跨步跳起跳的动力学比较研究
Analysis on Landing Movement of Hopping in Triple Jump;
三级跳远中各跳起跳时着地动作的作用分析
Reconsideraion of the triple proportion in triple jump;
对三级跳远运动中三跳比例的再认识
Studies on the structure and characters of woman s triple jump;
对女子三级跳远三跳结构特点的研究
STUDY ON THE ABILITY OF TAKE_OFF ABOUT HOP, STEP AND JUMP COLLEGE ATHLETES;
高校三级跳远运动员踏跳能力的研究
Ben's gait was the hop-skip-and-jump --
本走路好像是做三级跳??
One of the junior officers jumped several ranks.
有一名下级军官跳升了好几级。
John skipped the fourth grade.
约翰（从三年级）跳到五年级。
-Yes, I skipped the third grade.
对，我从二年级跳到四年级。
He skipped the fourth grade because of his aptitude.
他因天资聪颖从三年级跳到了五年级。
Her son skipped the second grade.
她儿子从一年级跳到三年级。
Analysis on the Approach Run and Take-off Techniques of Junior Class 2 Long Jumpers;
少年女子跳远二级运动员助跑起跳技术分析
Analysis on Take-off Accuracy of Elite Triple-Jumpers in China;
我国三级跳远运动员助跑踏跳准确性调查分析
Golden Section and Outstanding Triple Jumpers;
三级跳远中三跳远度比例的黄金分割规律研究
Discussion on Correlation between Fitness and Proportion of Three-time Jump in Triple Jump;
浅析三级跳远中“素质”与“三跳比例”的相关性