从下至上 meaning in Chinese

bottom-up

Introduction : sixty raiders a game . eggs , elephants , the grass hole edge of the left foot were put wheels , will be on the right side of the crocodile - head of the bone add cave open flowers , long body from the bottom to the top of a four
第六集游戏攻略1 .蛋，大象，洞边的草，将左边的轮子放到人脚下，将右边的云放在鳄鱼头上，将洞口的骨头放入张开的花中3次，身上从下至上的4片甲。
The pseudo - muscle method is used to implement all the low level faps which mimic the elastic deformations of the skin in each region and the rigid motions of the face . to generate the face animation freely , we construct a multi - level control model of face animation which is complex to simple , low level to high level from the bottom up . last , we develop a 3d face animation system compliant to mpeg - 4 . in our system , fdp stream is imported to personalize the generic face model
该方法首先根据mpeg - 4人脸模型规范对人脸模型进行功能区域的划分，每个功能区域都有一些与fap相关的控制点；然后采用伪肌肉模型的方法，实现了fap集中所有的低级动画参数，这些动画参数模拟了每个功能区域的肌肤弹性形变以及脸部的刚性运动；建立了一个从下至上由复杂到简单，由低级到高级的多层次的人脸动画控制模型，这种控制方式方便了人脸动画的生成。