1.In order to maintain speed and even accelerate out of the turn skis need to be loaded above and into the fall-line.
为了保持速度及加速出弯，在进入滚落线之前以及途径滚落线的时候雪板都必须处于承重状态。
2.Accelerate gradually, maintain speed limit and use cruise control on the highway.
逐渐加速，保持车辆不超速，在高速公路上使用巡航控制。
3.At low speeds a continuous stream of narrow pulses is required to maintain speed.
在低转速时，窄脉冲连续流必须保持一定的速度。
4.Hmm. Well, I'm off. Maintain speed and heading, Mr. Lightoller.
我要下班了，保持速度和航向，莱托勒先生。
5.In cruise a car requires very little power to maintain speed on level ground.
在游览过程中一辆小汽车非常需要小能力在平地上保持速度。
6.Feedback circuitry to maintain speed even when viscosity changes
即使黏度改变，反馈回路可以维持速度的稳定