Wheel Key Way(轮键槽), 此释义来源于网络辞典。
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Very similar to the current Apple Remote, with one key distinction: the 5-way directional pad is replaced with the classic iPod scroll wheel.
和目前的苹果遥控器很类似，但有一大区别：5维方向键被换成了经典的ipod滚轮。
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An easy-to-use wheel helps to adjust the focus, while a five-way key pad helps to navigate the menu.
ENGADGET: Toshiba outs Lumileo pico projectors, only one of which requires a plug
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