This paper introduces working principle of tower clock control system in detail from two aspects of hardware and software . some effective anti - disturb measures adopted in design process are explained 从硬件和软件两个方面详细介绍了塔钟控制系统的工作原理，并阐述了设计中所采取的一些有效的抗干扰措施
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This paper introduces working principle of tower clock control system in detail from two aspects of hardware and software . some effective anti - disturb measures adopted in design process are explained 摘要从硬件和软件两个方面详细介绍了塔钟控制系统的工作原理，并阐述了设计中所采取的一些有效的抗干扰措施。
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And at once , as surely as the chimes in a clock begin to beat and play when the hand has made the full round of the dial , was this change reflected in the increased activity , and bustle and stir of wheels within wheels in the higher spheres 进攻就势在必行了。正如分钟转完一圈之后，塔钟就自动鸣响一样地准确，随着力量的重大变化，军队上层的活动加强了，有如塔钟咝咝作响和敲打起来。
