单词	ro ugh sets
释义	ro ugh sets 粗糙集
随便看	back-angled shifterstop back-angled shifterstops back angle of scattering back aniline back an invention back-and-forth back and forth bending test back-and-forth bending test back and forth construction Back and Forth in Bangladesh back-and-forthing back and forth method back-and-forth method back-and-forth mode back and forth movement back-and-forth movement back-and-forth relation back and forths back-and-forths Back and forth swung the pendulum back and forth turning movement back-and-forth type structure back and forward back and forward motion back-and-knee technique