通过运用系统动力学的理论和方法，构建了含有79个反馈回路的中小型科技企业成长机制模型。
Based on the theory and methodology of system dynamics, a growth mechanism model for those enterprises was developed including 79 feedback loops.
电 源开关和电源盒接线端及小型收音装置的电源接线端通过导线相连接构成电路回路；
The power switch, the junction of the power supply box and the junction of power of the small radio devices are connected forming a circuit loop through leads.
该操作站系统已在现场应用，尤其适用于控制设备已采用单回路调节器的中小型火力发电厂。
It has been applied in site, and it is especially fit for middle and small power plant having single circuit controller.
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