The company also sells a $69 accessory physical keyboard that features a dock at the rear to hold the iPad upright.

苹果还出售价格69美元的物理键盘配件，它后面有一个托，可以把iPad立起来。

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Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.

为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。

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It comes with a special set of accessories including an e-dice and four joysticks and strikers to offer a completely new digital gaming experience that combines the physical gaming accessory with the on-screen action.

ENGADGET: Lenovo announces multi-user Horizon Table PC for $1,699 and up (video)