Each elemental unit has a simple layout consisting of a rectangular box and a triangular roof.

每个元素单元都有一个包括矩形框架和三角形屋顶的简单布局。

youdao

In Figure 3, each rectangular box has two compartments.

在图3中，每个矩形都划分为两个隔间。

youdao

Behind the main hall and with a lowered ceiling, the back seating area is a rectangular box-shaped space all covered in oak, from ceiling to floor, like a timber niche inserted inside the main hall.

位于主厅后面的座位区是一个长方盒子形状的低矮空间，从吊顶、墙面、到地面，都用橡木木板铺满，仿佛是嵌入在主厅里的木龛。

youdao

It shows up in a long rectangular box underneath the LIVE debate.

FORBES: Connect

The company's had a knack for thinking outside the rectangular box and coming up with cleverly built handsets -- the Sensation series and Touch Diamond come to mind -- but it seems to have cranked the focus up another notch this year.

ENGADGET: HTC Droid DNA review Mobile

They adapted Wingfield's original version to play on a rectangular court and over the next few years made further changes to lower the net, reducing the size of the box into which the service could be hit and allowing overarm serving.

CNN: A short history of tennis: Henry VIII to Federer the great