體育專業(yè)外文翻譯3-其他專業(yè)(參考版)
2025-01-23 07:24本頁面
【正文】 and can adjust the difficulty level. Simulation of very strong, suitable for all levels of players in professional training. Can be arbitrarily adjusted tee height, such as flat, lob. Can also be based on user requirements need to choose the fixed service and multiple swing function. There is a dedicated remote control machine, remote control. The internal damping and silencing device, can effectively reduce the noise. The serving transmitter for primary and promotion were able to provide maximum support. 。s most popular sport, by outdoor sports lovers. But in fact, as a petitive sport, when you have only one person, perhaps the only uter bootless cries, and our tennis ball machine vision, it is in order to cope with this situation and the. Although may not be as against everyone 39。這用發(fā)球發(fā)射器對于初級者和晉級者都能提供最大的輔助。還有專用遙控機，實現遠程的控制?？梢匀我庹{節(jié)發(fā)球的高度，如平擊球，高吊球等。其發(fā)射器獨有的自動模式功能能夠實現全場的任意發(fā)球；并可以調節(jié)難度級別。用本實用新型訓練用的網球發(fā)球機可以控制每分鐘發(fā)球的數量，可以控制發(fā)出各種速度的上旋球、下旋球和不旋轉球，可以使網球落入對方場地的 不同位置。 一 般網球發(fā)射器基本原理： 網球由調速電機驅動的下球盤落入下球口，經過下球通道到達兩個擠球輪之間，經過擠球輪的摩擦作用將網球發(fā)出，不調速電機經過曲柄搖桿機構帶動擺動軸、支架、調速電機、擠球輪在鉛垂平面內擺動。所區(qū)別的是，有的網球發(fā)球機TUTORPROLITE 系列，其特點是極其便攜。我國的網球發(fā)射技術既不先進也不十分成熟。我國對此類裝置的研究雖然起步較晚，但近些
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