The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...
摆逆运动中与动切成定角的直,络也是圆周渐开.
The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...
摆逆运动中与动切成定角的直,络也是圆周渐开.
声明:以上例句、词性分类均由互网资源自动生成,部分未经过人工审核,表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。