When the supersaturation is increased, elementary steps begin bunching together. At the initial bunching stage, the step height and stepwidth are increased.
增大过饱和度, 基本台阶开始聚并, 聚并初期, 台阶高度增加, 进而台阶宽度增加;
2
The walking elevator has the function of extending the stepwidth, strengthens the flexibility and the extensibility of the walking elevator, and is convenient to use for the user.