Marine construction technology like this is very complex, somewhat analogous to trying to build a bridge under water.

像这样的海洋建筑技术非常复杂，有些类似于尝试在水下建筑一座桥。

《柯林斯英汉双解大词典》

The various aspect problems in city construction are more and more complex with cities' scale and up-to-dateness continuously growing.

随着城市规模的不断扩大和城市更新水平的不断提高，城市建设中的各个方面问题越来越复杂。

youdao

CNC (Computer Numerical Control) is a technology originally developed for the aviation industry, enabling the precise construction of digitally generated, complex curved objects.

CNC(电脑数值控制)本是为航空业开发的一项技术，可使数字化生成的复杂曲面物体得以精确施工。

youdao

It is a little bit of a complex construction of organisations and companies.

FORBES: Trust On The Internet: The Solution Is Ahead

The lift is one of the "most complex" construction challenges, the Olympic Development Authority (ODA) said.

BBC: Aquatic Centre's wave roof lifted

Police shot at the gunmen as they ran into a residential complex under construction Friday night, the city's governor Gen.

CNN: Order restored after blast at girls school in Iran