Two weight mean XXX of is intere A and B,,,,wight is v and w,,,,fomulate is (v+w)/(v/A+w/B)..,and the weight is 10 and 20,,,what the Two weight mean when 10 is twice of 20.
英
美
释义
题目不是很全,但在第二题,看了我半天没看明白,后来有点大彻大悟,算出是12,也不知道是否对,大牛更正。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载