如图所示是一个弹簧振子的振动图象。从图中可知,振动的振幅是______cm,振动 发布时间:2017-04-20 05:01 │ 来源:www.tikuol.com 题型:填空题 问题: 如图所示是一个弹簧振子的振动图象。从图中可知,振动的振幅是______cm,振动频率是_________HZ, 10s内振子通过的路程是________cm
题型:填空题 The most important thing about cotton in history is ______part that it played in ______ Industrial Revolution. A.不填;不填B.the; 不填C.the; theD.a; the 查看答案