The act of arranging in order; also, the state of being so arranged.

次第排列。

A series of degrees in rank, size, etc.

(一系列的)等级；差等。

Any degree in such a series.

(连续等级中的)一级。

In painting, a gradual blending of one tint into another.

(色彩渐变的)层次。

Any gradual change by stages.

逐步渐次的改变。