primary speed

A new launch method is introduced, which the primary speed is provided by the magnetism-suspension technology, and can realize the near space flying by using of the ramjet engine.

提出了一种利用磁悬浮技术提供初始速度、利用冲压发动机实现临近空间飞行的新型发射方法。

Speed is not a primary goal but should increase progressively with your years of experience.

速度不是最初的目标,但是经过几年的积累应该逐渐提高.

The primary investigation of the sealing system of the high speed roller bit bearing.

高速牙轮钻头轴承密封系统的初步研究.

Electrical life: 50000 Primary Characteristic: It is stepless speed regulation cross current switch, which have self-lock function.

电器寿命: 50000主要特征: 交流无级调速开关, 带自锁功能.

BRIDGE ON THE HIGH SPEED RAILWAY primary carpophagous insects.

高速铁路上的桥梁原发性种类。

Overall testing for the improved scheme of ultra-high-speed transient based primary protection using ATP simulation data.

利用ATP仿真故障数据全面测试了经本文改进的整套暂态量主保护方案.

The primary drive gear ( crankshaft gear) and the primary driven gear are the source of noise due to their high speed and bigger reduction ratio.

作为摩托车初级传动的曲轴齿轮及初级从动齿轮，由于转速高及降速比大，是产生噪声的主要因素。

The rail oblique crack is a primary cause of railway transportation safety with high-speed railway developing.

随着 高速 铁路的发展,钢轨斜裂纹已成为危及铁路运输安全的重要因素之一.

Electrical life: 50000 Primary Characteristic: It is stepless speed regulation of cross current switch.

电器寿命: 50000主要特征: 交流无级调速开关.带抗干扰功能.

This thesis has probed several primary methods of speed estimation and found the suitable method of estimating speed without the speed sensor in the real-time DTC system, which namely to slip the speed dynamic computation method.

同时，探讨了几种主要的转速估计方法，比较其优缺点，寻找到了适合于实时直接转矩控制的无速度传感器的速度计算方法，即动态速度估计法。