frequency-domain英f'riːkwənsiːdəʊm'eɪn美f'riːkwənsiːdəʊm'eɪnCOCA¹⁷⁵⁵¹⁰ 基本例句 频域¹⁰⁰ It is thought that the independent equation of the boundary relation in the frequency-domain is composed of two curl equations and the charged continuity equation of the boundary relation. 认为时域场的边值关系的独立性方程可以用两个叉乘方程,电荷连续性方程的边值关系和电磁场的初始条件来确定。 cnki