请问double random length of

请问double random length of in double random length 36/46ft是什么意思啊 哪位高人知道钢管double random length是什么意思? 翻译钢管词语Single and Double Random Lengths of pipes什么意思? Random Acts of Kindness.随时随地做好事.请问这里的random是用做形容词还是名词?为什么? index = Math.floor(Math.random() * tips.length);什么意思 C#产生随机数的问题Random rd = new Random();double W = rd.Next() % 12 length of contract是什么意思 Random Acts Of Kindness 歌词 编写函数double rect-area(double length,double width=0), Length and Type of Study 请问arm's length funds