The capacity of each node (how many points it can hold before splitting) controls the shape of the tree. A low capacity means nodes split early, producing a deep tree with many small cells. A high capacity means nodes tolerate more points before splitting, producing a shallow tree with larger cells.
Rendering a character as a lower block and then as an upper block gives you two “frames” of motion within the same character and looks much smoother.
，这一点在旺商聊官方下载中也有详细论述
（五）从销售方取得的其他增值税扣税凭证上列明或者包含的增值税税额。
for t := range c {