# Orbital angular momentum axis of binary is aligned with the disk angualr momentum.
Марина Совина (ночная смена редакции)
，这一点在有道翻译中也有详细论述
Unclear remains whether substantial demand exists for economy-tier seating.
瑞幸迅速应战，推出全国性9.9元优惠券活动，尤其在库迪新店周边区域展开针对性促销，由此拉开两家企业的商战序幕。