have no fixed volume and no fixed shape; but take on the shapes of the containers, have fixed volume but no fixed shape; but take on the shape of the containers, have fixed volume and fixed shape, are close together and arranged regularly, are close together but arranged irregularly, cannot move from one position to another, can only vibrate about fixed positions, can move freely in all directions, are far apart, can move around each other.

Particle model

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?