precession rate

From the basic origin of magnetism\_molecular current\_the diamagnetic mechanism of magnetic medium is explained rigorously by analysing the electronic procession in magnetic field.

本文从物质磁性的基本起源“分子电流”出发 ,通过分析电子在外磁场中的旋进 ,严格分析了磁介质的抗磁性的微观机理 。

The angular velocity of procession of the angular momentum of a top is introduced.

引入陀螺总角动量的旋进角速度，从运动学角度讨论高速自转陀螺的旋进和章动，用简便方法给出旋进角速度和章动角速度的定量关系式并讨论近似结果。

helical entry cyclone

螺旋进入式旋风分离器

rotary sidewall coring tool

旋转或旋进式井壁取心器

component nuclear precession magnetometer

分量核子旋进磁力仪

component proton precession magnetometer

分量质子旋进式磁力仪

Theoretical Discussion and Structural Optimization of Swirlmeter;

旋进旋涡流量计的原理探讨和结构优化

A Numerical Study on the Structure Characteristics of a Swirlmeter

旋进旋涡流量计结构特性数值模拟研究

fluxgate-proton precession

质子旋进磁通脉冲磁力仪

Studies and Improvement on the Technics of the Racemination of Dextromisole Hydrochoride;

盐酸右旋咪唑消旋化工艺研究与改进

move in a spiral or zigzag course.

作螺旋状或锯齿状行进。

PBC packet binary convolutional Code

封包二进制回旋编码

propeller mechanism

螺旋浆[推进器]机构

The car raced on at top speed.

汽车是旋风般向前进。

(in billiards)(cause a ball to)move in a curved path while spinning

（台球）（使球）侧旋前进.

Generation of Optical Vortices With Intensity Modulation Via Advanced Sprial Phase Plate;

利用改进的螺旋相位板产生强度调制光学涡旋

Swirl number calculation in the inlet of spinning ramjet assisted range projectile

旋转冲压增程弹进气道内流场旋流数计算

marsh screw amphibia

沼地螺旋推进水陆两用车

and then push the turnstile to get into the platform.

然后推动旋转栅门就可以进入站台了。

involute entry cyclone

渐开线进入式旋风分离器