Contact us
Choose a category below so we can get back to you as quickly as possible.
線速度:組織時間轉動的弧長 角速度:組織時間轉動的角度(一般角度採用弧度) 清楚二者的區別,會計算及換算
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.