Key game with about change direction arrow keys to accelerate and decelerate the space bar to jump.

游戏用左右键改变方向，上下键加速和减速，空格键跳跃。

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The Paper designs the software which achieves the functions, such as install Parameters, download Parameters, startup, stop accelerate and decelerate.

实现了对直流电动机转动参数的设置、启动、停止、加速、减速和显示等功能。

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Introduce the drive control of step motor and the PWM principle of DSP, a detailed discuss on accelerate and decelerate control of step motor also include.

介绍步进电机的驱动控制和DSP的PW M脉宽调制原理，详细阐述了DSP实现步进电机的加减速控制问题。

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Perhaps most intriguingly, INDEC's and PriceStats' inflation rates accelerate and decelerate in tandem.

ECONOMIST: Argentina��s inflation problem

Esa believes double layer drives could be as small and economical as the one on board Smart 1, but much more powerful, which would enable craft to accelerate and decelerate faster.

BBC: Glow from argon plasma. Image: LPTP, Ecole Polytechnique

Larger mass and heavier weight require more energy to accelerate, and more energy to decelerate.

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