计算机自动控制保证了的镀膜过程的精确控制、可靠性和重复性，从而导致更高的生产一致性和膜层质量。

Process accuracy, reliability and repeatability are guaranteed by the automatic computer control system, resulting in much higher consistency of production and much better film quality.

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在氨肥厂生产氨的过程中，引用串级控制方式来对合成塔触媒层的热点温度进行稳定控制，以提高生产质量。

In the process of producing ammonia, we use cascade control method to make the catalyst hotspots temperature stable, so as to increase the quality of production.

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另一方面，现场控制层作为企业整个信息系统的底层部分，必然需要与生产过程管理层和经营决策层进行集成。

On the other hand, field-control layer, as the ground floor of corporation information system, must be integrated with manufacture process managing layer and operating layer.

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