时延驱动的Ｓｔｅｉｎｅｒ树构造算法是时延驱动总体布线的基础．本文首先简介了求解最佳Ｓｔｅｉｎｅｒ树的Ｄｒｅｙｆｕｓ－Ｗａｇｎｅｒ算法．随后通过引入Ｓａｋｕｒａｉ时延模型，提出了直接基于Ｓａｋｕｒａｉ模型的提高线......

The discontinuities of the rock mass pose a high impact on its response to the static load and make complexity in modeli......