time representation的用法和樣例：
例句
- Speed is a derived concept defined mathematically in terms of length and time.
速率是一個(gè)導出的概念，在數學(xué)上是用長(cháng)度和時(shí)間表示的。 - Think times represent the time that a user would ponder a Web page before going on to the next page.
思考時(shí)間表示用戶(hù)在繼續下個(gè)網(wǎng)頁(yè)之前思考網(wǎng)頁(yè)的時(shí)間。
