波长是指在()中,相邻两个同相位质点间的距离。A.两个相反波动过程 B.同一波动过程 发布时间:2019-12-22 11:40 │ 来源:www.tikuol.com 题型:单项选择题 问题: 波长是指在()中,相邻两个同相位质点间的距离。A.两个相反波动过程B.同一波动过程C.两个平行波动过程D.两个垂直波动过程
题型:单项选择题 —Mike wants to know if ____ a picnic tomorrow. —Of course. But if it ____, we'll visit the museum instead.A. you have; will rain B. you will have; will rain C. you will have; rains D. will you have; rains 查看答案