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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Based on the analysis of the characteristic of machined surface profile, the necessity to eliminate errors' influence on the measurement of surface profile parameters was explained.

通过对机械加工表面轮廓特征的分析，说明了在表面轮廓参数测量中，消除各种误差影响的必要性。

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

ENGADGET: Alt-week 3.9.13: Sunstones, knotted vortices and a zero-g robot

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)

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