“若干次”例句

单词 若干次 例句 DEFINITIVE EXAMPLES 权威例句〔involution〕Mathematics The multiplying of a quantity by itself a specified number of times; the raising to a power.【数学】 乘方：一个数字与自身相乘若干次；达到一个幂美国传统〔nilpotent〕An algebraic quanti...