differencen.差异;不同;差额;分歧vt.<罕见用法> 区别
difference current差动电流,差动流
difference in timen.时差
difference of time时差
difference cochain差异上链
difference formula差分公式
difference of race种族差异
difference mapping偏差对照
difference channel差动声道
difference machine微分机
difference algebra差代数