cosecant,英语单词,主要用作名词,作名词时译为"[数] 余割".单词用法 柯林斯英汉双解大词典cosecant kəʊˈsiːkənt1.N (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the hypotenuse to that of the opposite side; the reciprocal of sine 余割 ( abbr: cosec) [1] 短语搭配 cosecant t 余割 ; 余割函数Kosekante cosecant 余割Kosekans cosecant 余割cosecant kernel 余割核arc cosecant[数] 反余割 ; 反余割cosecant antenna[电讯] 余割天线cosec cosecant 余割Hyperbolic Cosecant 双曲余割 ; 超馀割inverse cosecant 逆余割 ; [数] 反余割 [1]