角θ称为Z的幅角.The angle θ is called the argument of Z.利用集合来定义辐角函数,研究幅角函数的存在性、连续性、可微性等性质.Argument functions are defined by set and its existence , Continuity and differentiability are discussed.最后给出了基于视差梯度约束和边缘幅角约束的快速边缘匹配算法.At...
史蒂文斯给他写了张便条，请他去自己的公寓。Stevens wrote him a note asking him to come to his apartment.史蒂文斯遭谋杀源于深仇宿怨。Stevens's murder was the result of a deep-seated and intense hatred.约翰·史蒂文森是谢菲尔德大学的历史学高级讲师。John Stevenson is Reader in ...
N - acylhomoserine lactone ( AHL ), as quorum sensing signals, regulate expression of virulence factors of many plant pathogens.N - 酰基高丝氨酸内酯 ( N-acylhomoserine lactone, AHLs ) 作为细菌群体感应中的信号分子参与调节植物病原细菌致病因子的表达.Applic [ a t...