closing speed造句

• Nibco electric actuators operate on the gear reduction motor principle , which allows opening and closing speeds ranging from two seconds to one minute or longer
  美国尼伯科电动执行机构采用齿轮减速电机原理，因此开启和关闭速度控制在两秒至一分多钟范围内。
• In the test , the open and closing speed of vacuum switch are measured , and the comparison of theoretical and experimental results shows that the mathematic model and the calculation method are correct and reliable
  在试验过程中实测了真空开关的动态参数，将实测结果与理论计算进行分析比较，结果表明数学模型与计算方法准确可靠。
• The parameters estimation with the least square method is applied to the open speed system . the least square estimation with forgetting factor and the least square error self - tuning control are applied to the close speed system and controller parameters arc obtained from estimation parameters directly
  采用最小二乘参数估计算法对某涡扇发动机低压转速进行开环辨识，采用带遗忘因子的最小二乘估和直接获得控制器参数的自校正控制对该系统进行闭环控制。