They used a process called spectroscopy to determine their colors, to see if they were weathered or fresh, and then combined this data with measurements of the NEAs' orbital histories.

他们有光谱分析的方法测定它们的颜色，看它们是饱经风霜的还是新鲜的，然后把这个数据和近地小行星的轨道历史测量数据结合起来分析。

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Bags under the eyes of the lower eyelid skin, subcutaneous tissue, muscle and orbital septum relaxation, orbital fat hypertrophy, protruding bag process.

眼袋系下睑皮肤，皮下组织，肌肉及眶膈松弛，眶后脂肪肥大，突出形成袋状突。

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By analyzing the contact area between the Upper Die and cylindrical solid workpiece during Orbital Forming process, an approximate formula for calculating the contact area rate is proposed.

通过对摆辗加工中摆头与圆柱实心工件接触面积的分析，给出了计算其接触面积率的近似公式。

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