The three-dimensional finite element method was used to solve some key problems in the design of the box floor in Suzhou River Estuarine Lock project.

针对苏州河河口水闸工程中的大跨度箱形底板设计中遇到的困难，利用三维有限元对底板结构进行计算分析。

youdao

We got there early and had a drink on the second floor, one of us cheerful and oblivious, the other sitting funny to hide the small box in his pocket.

我们提前到了博物馆，在二楼小坐了一会，喝了点东西。 她很开心，并且丝毫没有察觉。

youdao

It was hard to make out through the nighttime shadows, but there was a strange box in the middle of the floor, like a little wooden cage.

很难看清夜里黑沉沉的房间，不过在中央有一个古怪的箱子，像是一个小小的木笼。

youdao

He looks down and finds that the electrical cord leads to the television now a dark, silent box lying on the floor at his feet.

NEWYORKER: The TV

There are a few subtle, telltale internet startup signs, like several bottles of liquor hastily packed in a filing box on the lower floor, sitting next to a small CD mixer.

ENGADGET

But when we carted the old blue and white box upstairs to the same floor as the base station, the connection was constant.

FORBES: Magazine Article