单词	wittings
释义	同witting
随便看	addition of fractions addition of life length addition of polynomial addition of series addition of variables addition, of variates addition of vector addition of vectors addition operator addition or subtracrtion of two pulse trains addition or subtraction of two pulse trains addition or subtraction of two pulse trains addition polymer addition polymeriation addition polymerisation addition polymerization addition principle addition principle -- rule of addition addition principle ; rule of addition addition process addition process-- additive process addition process; additive process addition product addition product-- additive product addition product; additive product