It shows from the research, experiment and application, the stress control during winding a coil is the key fact, it should be remained in a proper range.
研究、试验以及实际应用表明，绕环过程中张力控制是绕环质量的关键，精确控制作用于光纤上的外力在适当范围内。
This paper analyzes the key problems in designing signal measuring and control circuit of laser range sensor using PSD, and gives out the circuits' diagrams.
针对采用PSD研制的激光测距传感器在检测及控制电路的设计中所存在的关键问题进行了分析，并给出了电路的设计框图。
Control of pumps unit belongs to large-range self-adaptive system and it is the key for equipoise operation to operate parameter in auto-regular system.
在恒压供水系统中，泵组的控制属于较大范围的自适应系统，泵组的平衡运行是自动调整系统运行参数的关键。
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