On June 15th its digging arm turned up several dice-sized clumps of bright material.

在6月15日，它的挖掘臂刨出了几个骰子大小的明亮物质。

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Gloves: Black leather or leather-like material, mid-forearm in length. The upper surface is quilted in lines running parallel with the arm.

手套：黑色真皮或皮革类材料，长及前臂的一半处。上部为有内衬垫并有与手臂平行纵向缝合线。

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To raise the polishing efficiency of Cubic boron nitride (CBN) superhard material, crank rocker arm mechanism has been developed by using Computer Simulation Technology.

为了提高立方氮化硼超硬材料的抛光效率，采用计算机仿真技术开发了曲柄摇杆抛光机构。

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These devices use rope-like material to carry movement from the shoulder to the prosthetic arm.

VOA: special.2009.03.10