All your faculties have come into play in your work.在你的工作中,你的全部才能已起到了作用.The new rules have already come into play.新规则已经开始生效.Personal feelings should not come into play when one has to make business decisions.为公事作决策不应搀杂个人...
正割函数的倒数，称为余割函数。The value of the complement of the secant is called the cosecant.二元函数的列表法是不方便的, 然而是可能的.A tabulation of a function of two variables is cumbersome, but possible.母函数是研究用递推关系来确定的函数的最理想工具.Generating functions a...