底拱

But the base of tunnel is not regarded in tunnel design, which cause tunnel disease.

我国铁路隧道设计中普遍存在&重拱轻底&的思想，由于基底结构薄弱而引起的隧道病害问题严重。

Willow saw it out of the small yellow buds, to the winter of switchgrass yellow line on a bow; waiting till the grass, stretching the staggered from the loose soil out of the tender small head green big eyes looking at this new world; see a stream, I do not know where the power of smoke, broke the ice arch restraint, singing it, washed the pebbles of the shore, the river carries at the end of the sand, jumping all the way over the mountains and rivers flow, flow through the grass, the grass moisture and nourishing the growth of willows.

柳树看到了，它冒出了鹅黄色的小芽，给冬日枯黄的柳枝系上了一个个蝴蝶结；小草望到了，伸了伸腰，摇摇晃晃地从松软的泥土里探出了嫩绿色的小脑袋，睁着大眼睛看着这新奇的世界；小溪瞧见了，不知从哪里冒出的力量，拱破了冰的束缚，它唱着歌，冲刷着岸边的卵石，携带着溪底的泥沙，一路跳跃着流过山川、流过草地，滋润着小草，也滋润着生长中的柳树。

In high-rise building, transfer girder co-works with the above structure, which will form a drag bar arc system after crack appears on the bottom.

在高层建筑中转换梁和上部结构存在着共同工作的特性，当转换梁梁底混凝土允许开裂时，转换梁中会形成较为明显的拉杆拱体系。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。