Messenger's analysis of the surface rock, and of the gravity profile of the core, could help explain.

信使号对岩石层以及核心万有引力的描述和分析或许可以帮助解释。

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PROFILE: The true picture of a surface in relation to a horizontal line; a contour of a designated surface of a cup, cone, or roller.

型面轮廓：与水平线相比表面的实际轮廓线；实际设计的外圈，内圈或滚子的轮廓线。

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The mathematical models of surface profile as well as dividing the instrument error and the measurement interference are established.

本文还建立了表面轮廓和分离表面轮廓测量干扰及仪器误差的数学模型。

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While high profile activities continue on the surface of Mars, other research is digging a little deeper.

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Sporting a brushed stainless steel surface, and with a record-breaking slim profile of only 8.9mm thickness, the HE720 demonstrates once again the company's consistently strong ability to combine top performance with style.

ENGADGET: ADATA's got an 8.9mm thick portable USB 3.0 drive, limbos under the competition by .1 of a millimeter

The angular edges from before have been banished, replaced by a profile that curves up to meet a few millimeters worth of flat surface that then curves back again to meet the glass up top.

ENGADGET: Amazon Kindle Fire HD review (7-inch)