词汇	rational equation
释义	rational equation 有理方程式
随便看	command detonation command device command diagram command dialogue command dictionary command directed economy command-directed economy command-directed system command direction Command Direct Support Command Disable System command disc for record player control command dispatcher command dispatching command-dispatching command dispatching and communication system command dispatching equipment command dispatching hierarchy command dispatching system command display command display station command display system Command Display Unit Command distributing Command Distribution Rack