tandem drive

Synchronous recording and characteristic study of the pulse-sound and lungsound signals before and after exercises;

运动前后脉搏声和肺音信号的同步拾取与特征研究

This paper introduces the method for creating solid model of the driving mechanism of the automobile’s back axle in PRO/E system ,and realizes the movement simulation of the device from using PRO/Mechanism module .

为此,介绍了利用PRO/E建立汽车后桥传动机构的实体模型,然后利用PRO/E的机构运动Mechanism模块实现后桥传动机构的运动仿真,为进一步的优化设计、工程分析及制造奠定了基础。

The Male Rowing\|athletices Hb s Change in Sports;

男子划船运动员运动前后血色素的动态变化

Study on Monitoring Biochemical Index of Basketball Players and Aferr Fixed Worklord;

篮球运动员定量负荷运动前后生化指标的监控

Little changes in plasma adrenaline were observed after both exercises.

运动前后血浆肾上腺素均无显著改变。

Study on the Changes of Erythrocyte Immune Response Pre- and Post-exhaustive Exercise;

力竭性运动前后红细胞免疫变化研究

Changes of Amino Acids Neurotransmitter Concentration in Motor Area of Rats Cortex Induced by Acute Exhaustion Treadmill Running;

力竭运动前后大鼠脑皮质运动区递质性氨基酸含量的动态变化

A Study of the Influence of Three Different Training Methods on the Change of CK on Juvenile Sanda Athletes before or after Sports;

对青少年散打运动员运动前后血清CK变化的研究

tandem powered elevating scraper

前后动力升运式铲运机

It moves, it vibrates backwards and forwards.

它在运动，前后震动。

forward and backward movement knob

载物台前后运动螺旋

To move back and forth alternately.

往复运动交互地向后、向前运动

An alternating back-and-forth movement.

往复运动交互地前后运动

Also, make sure you are properly hydrated before, during and after the activity.

此外，在运动前、动中和运动后，要补充适量的水份。

Results1.At the peak of exercise and in the recovery phase of exercise test,the QT interval in each epoch was significantly shorter than that before exercise.

结果1运动终止时和运动终止后各时段的QT间期显著短于运动前。

Each hind leg moves in the path of the foreleg on the same side.

每条后腿都按照同侧前腿的路线运动。

The two sportsmen ran neck and neck until the very end.

两名运动员直到钟点都跑的不分前后。

All medalists are requested to undergo a "dope" test after the final.

决赛后，要对前3名运动员作奋剂检测。

By warming up before and cooling down after your workout.

健身前要热身，健身后要做缓和运动。

Study on monitoring biochemical index of basketball players before and after basketball match;

篮球运动员比赛前后生化指标的监控