tangentiallyadv.成切线tangentialadj.离题的；肤浅的；切线的；相切的tangential distortion切向畸变,正切畸变tangential derivative切向导数tangential resistance切向阻力,接切阻力tangential point load切向点荷载tangential percussion[医] 切线叩诊tangential prediction正切提前量tangential focal line切向焦线tangential projection切线位tangential inlet port切向进气道tangential combustion四角切圆燃烧