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。
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