Our availability towards our customers' needs and an accurate after sales service have made us a fixed reference point in the world of cosmetics.
我们满足客户的需求，提供优质的售后服务，使我们享誉于世界化妆品行业。
Many studies have found that the reference point is not fixed, it update through time as a function of outcomes of past decisions or other factors.
许多研究发现，参照点并不是固定不变的，而是随着时间、先前的决策结果等因素而发生偏移。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
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