亚洲一区欧美在线,日韩欧美视频免费观看,色戒的三场床戏分别是在几段,欧美日韩国产在线人成

Growth mechanism and visualization model of lily scale was developed. According to growth mechanism of scales whirling and packing, the system of bulblet growth and visualization was constituted. The scales’ growth was regarded as linear growth trend, when growing a little elements, the scale deflected a certain angle to center-stem. Scales’ visualization model was developed by employing quadrilateral picture element drawing double-semi-elliptical truncated cone. The section drawing of scale was crescent, which was composed of two semi-ellipses of identical semi-major axis and unequal-semi-minor axis. The result shows that this system can simulate livingly lily bulblet vegetation process of whirling and packing.