词汇	unidirectional wave
释义	unidirectional wave 单向波动
随便看	Upper bound element technique upper bound expression upper bound failure load upper bound imit analysis upper bounding method upper bound limit analysis upper-bound limit analysis upper boundmethod upper bound method upper-bound method upper bound model upper bound of compression rate upper bound of energy consumption upper bound of information translation amount upper bound of symbol upper-bound power upper-bound principle upper-bound procedure of limit analysis upper character Upper chassis of Bucket elevator upper bounds upper bound solution upper-bound solution upper bound symbol upper bound theorem