◇ 读取数据，请稍候 Loading...
什么是驻波？ 答案: 关闭 [x] Ａ. 两列振幅、周期、波长相等，传播方向相反的正弦波叠加形成驻波。波腹处波面具有最大的升降；波节处波面无升降；波形不传播，故称驻波 【附述】 无 Warning: Undefined variable $_DCACHE in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Undefined variable $_DCACHE in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Undefined variable $_DCACHE in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Undefined variable $_DCACHE in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123 Warning: Trying to access array offset on value of type null in /web/quiz/quizone.php on line 123
【最近的搜索】： | ||||||||
CopyRight(c) 2007 - 2020  All Rights Reserved 【赣ICP备12001042号】 |
触屏版 | Archiver 20220704 11:59 | 简介 | 帮助 | 留言 | 关于 |
360网站安全检测平台 |
