In the test program, we'll attach a wheel listener that has the background color loop through the array of colors based upon the direction, as shown in Listing 4.

在测试程序中，我们增加了一个鼠标滚轮侦听器，它让背景色按照某一方向在颜色数组中循环，如清单4所示。

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Hetao Hami China Plain is one of the main producing areas, the Loop authentic color of honeydew melon, sweet taste, much loved at home and abroad customers.

内蒙古河套平原是中国哈密瓜主要产区之一，河套蜜瓜个色泽正宗，香甜味美，倍受海内外客商的喜爱。

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According to the theory of phase-locked loop, we use reflected photoelectric sensor to carry out the color recognition.

根据锁相环的原理，使用反射式光电传感器实现了系统的颜色识别。

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Every new iPod touch comes with a color-matched iPod touch loop, a clever and convenient wrist strap you can use while taking photos, recording video and playing games.

ENGADGET: Apple refreshes iPod nano: 2.5-inch multitouch display, 16GB, Bluetooth, available this October for $149