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.
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。
3
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.