The surface of Mars shows a wide range of geologic features, including huge volcanoes—the largest known in the solar system—and extensive impact cratering.

火星表面显示出广泛的地质特征，包括巨大的火山——太阳系中已知的最大的火山——和广阔的撞击坑。

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They are available in a variety of materials with a range of surface treatments to meet the needs of varying applications.

产品材料多样，可以进行不同程度的表面处理以满足多样应用的需要。

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Between blazing heat on the star-facing side and freezing cold on the dark side, the average surface temperature may range from minus 31 to minus 12 degrees Celsius, the researchers said.

研究人员还称，在炽热和寒冷的两个半球之间，该星球平均表面温度为零下31摄氏度至零下12摄氏度。

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Yes the volumes are low, and the Surface range is not as attractive as the iOS choices available.

FORBES: Microsoft Surface Outsells The Nexus 10 And Points To Redmond's Post-PC Future

It pointed out that Microsoft, a relative newcomer to the tablet market, was making modest yet promising progress with its Surface range of tablets - 900, 000 units were shipped in the first quarter.

BBC: iPads on display

But if Microsoft can build up the sales of the Surface Pro in 2013 and reach four to five million unit sales a year, they will have a healthy income stream from their Surface range.

FORBES: Microsoft Surface Outsells The Nexus 10 And Points To Redmond's Post-PC Future