constant rule meaning in English

定项规则

The unique constant rule in the world is " changing " . the proceed of innovation needs to be kept on the time and the enterprise needs to be innovated constantly
世上唯一不变的法则是“变” ，创新的进程也需要与时俱进，企业需要持续不断地进行创新。
The product is suitable for double straight line smoothing of grinding flat glass . coarse grinding , fine grinding , and polishing can be done at one time . adopt plc control system , which sets processing parameters via interface , and finishes processing at one time , ti has stable bottom structureprecise and smooth transmission system , the transmission belt drive adopts strong power and tran - sfrequency motor to control speed , constant power , constant rule , output and advanced equipment to control , completed product has high polishing level , which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory
本产品适用于磨削平板玻璃是双直线平边，粗磨精磨抛光一次完成采用plc控制系统通过界面设定加工参数次完成加工，具有稳重扎实的底座结构，精确流畅的传动系绕，传送皮带驱动采用功率变频电机调速控制，恒功率恒扭矩输出和高配置的控制成品抛光亮度高是加工精品玻璃和家具玻璃厂家使用的最佳辅助加工设备。