The great virtue of air travel is speed.

乘飞机旅行是速度快。

Slow speed is the chief drawback of sea shipment.

海运缺是速度慢。

"The difference in treatment effects between the regimens may be related to the speed with which maximal serum levels of anti–interleukin-12 are attained or sustained," the authors write.

不同疗程之间治疗效果差异可能与抗间白素-12单株抗体到达或维持中浓度速度有关。

The principle of the despun digital control of a CCD camera is introduced,and a maximum rotational speed for assuring an ideal image in despun control system is obtained by analyzing the system.

介绍了消旋电视摄像系统工作原理,通过对系统分析,得出了消旋系统保证像质所允许旋转角速度。