Kevin: Yes, could you go into detail about the control, the directional control?
凯文：是的，您能进一步讲解控制的细节，关于方向的控制吗？
The control of azimuth is a knotty problem in controlling directional well trace.
在定向井轨迹控制中，方位控制是个棘手问题。
Purpose: USE in general purpose bi-directional switching and phase control application.
用途：一般用于双向转换和增强型控制。
Purpose: USE in general purpose bi-directional switching and phase control application.
用途：一般用于双向转换和增强型控制。
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