The control and actualize system of variable rate fertilization consist of DGPS, Field Computer, Hydraulic Motor, Ground Sensing Radar and fertilizer assembly.
变量施肥的控制实施系统包括差分gps系统、田间计算机、液压马达、测速雷达和排肥器总成。
The Field Bus is a full digital, multiple variable, and bi-directional communication system with multiple stations.
现场总线是用于现场设备和中央控制室控制设备间的一种全数字、多变量、双向、多站的通信系统。
A throttle valve of a carbon dioxide refrigeration system which is characterized by variable temperature regulation belongs to the refrigeration technology field.
一种具有变温调节特性的二氧化碳制冷系统节流阀，属于制冷技术领域。
Based on the conservative condition of vector lines of variable field in the continuous medium, the problems of electromagnetic field in the moving system are discussed in this paper.
本文由连续介质中的可变场的矢量线的保持性条件，主要讨论了运动系统中电磁场的保持性问题。
The performance of AC variable speed drive system has been improved greatly since field-oriented control is applied.
矢量控制使交流调速系统的性能产生了质的飞跃。
The performance of AC variable speed drive system has been improved greatly since field-oriented control is applied.
矢量控制使交流调速系统的性能产生了质的飞跃。
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