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  1. 1. By triangonometric ratio. Assume the heights H of objects are the same, while one with distance A, and one with distance B (A > B). Let X, Y be the angle of elevation. tan X = H/A...

    分類:科學及數學 > 數學 2010年08月07日

  2. Speed = Distant / Time = 60km / 80mins = (60/80)x60 km/hr = 45 km/hr Let the return...

    分類:科學及數學 > 數學 2010年11月02日

  3. Not only could it detect a distant earthquake as it happened. but it could also indicate in which direction the epicenter...等等,你是怎麼樣猜出來的? 2013-02-28 14:38:00 補充: 就唔明點解要加個 distant 上去? Oh, 是我漏了這個字,distance 是遠處,原文應該說是【。。當...

    分類:社會及文化 > 語言 2013年03月01日

  4. distant : 100km/h / 0.5h = 50km time: 50km / 80km/h = 0.625h = 37.5min 37.5min - 30min = 7.5min...

  5. A more distant payment is discounted more by interest rate to bring it to present sense...

  6. Your eye muscle has to contract to focus on short distances. To relax the strain in your eye muscle, you must look at distant objects so that your muscles can rest from maximum contraction.

    分類:電視 > 其他 - 電視 2013年04月10日

  7. An astronomical telescope is designed to view very distant object, such as heavenly bodies. The light rays entering...

  8. Let G(x,y) be the centre distant between G and C = distant between G and the equation "x-2y+3=0...

    分類:科學及數學 > 數學 2007年09月25日

  9. Children are distant from their fathers.

    分類:社會及文化 > 語言 2008年12月31日