體育專業(yè)外文翻譯3-其他專業(yè)-展示頁
2025-01-31 07:24本頁面
【正文】 科技是最為先進的。 仿真性非常強，適合各種水平的選手進行專業(yè)的訓(xùn)練。也可根據(jù)使用者的要求需要選擇定點發(fā)球和多檔搖擺功能等。其內(nèi)部有減震和靜音裝置，能夠有效降低噪音。 外文原文 Originated in the French tennis has now bee one of the world39。s pleasure, but for technical improvement and its exercise is very helpful to the. Now the mainstream of tennis serve machine is driven by two wheels when the relative rotation extrusion tennis tennis play, online can be found in many photos, serving machine brand TENNIS TUTOR and LOBSTER options. In our country, to design a practical, economic tennis ball launcher, let tennis lovers can be more fortable, more effective multi ball practice, is very necessary. By literature and online data survey: foreign to the tennis ball launcher research began relatively early, the earliest patent was 1998the United States Rose invention. Since then, many countries begin to put into the study, including the United States, Britain and Japan dominate, mature technology, and some products have been put into the market use. In addition, abroad on tennis return of service research to be much more delicate, except through the ground turn to
環(huán)評公示相關(guān)推薦
鄂ICP備17016276號-1