hitting area 中文意思是什麼
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This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation
本文分析了雨場和雨滴的各種特性，給出了雨滴降落速度的計算公式，利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率，同時還採用統計學手段對雨場模擬的方法進行了研究。 -
This direction indicator can show golfers with ball ' s direction directly, so as to help golfers improve the hitting accuracy, and let golfers hit the ball to the target area effectively
這一款揮桿方向指示器，可以直觀提示練習者揮桿擊球時球將運行的方向，從而更有效幫助球手在練習中揮桿擊球的準確性，使練習者更有效準確地將球擊往目標區域。
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