With this information, control can send speed up or slow down commands to the disc drive motor.

根据这些个信息，控制系统可以向盘片驱动系统发送提速或降速的指令。

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But the looming threat of US missile defense will, by increasing the perception of threat, speed rather than slow this drive and will, in all likelihood, compel it to adopt ever more non-traditional means of delivery.

FORBES: A Debate Over Ballistic Missile Defense: Iran is a Rational Actor, and the Huge Unintended Consequences of ABM