语言是思想的外廓。

Words are the shells of ideas.

根据不自锁的要求解决了推杆外廓的设计问题。

The problem of the profile design is solved to avoid self-lock.

该种空气滤清器，不仅外廓尺寸小，而且滤清效能好，使用寿命长。

The filter, small in size, not only has the high filtering efficiency but also endures long use.

因轴荷、总质量、外廓尺寸超出国家标准不予办理注册登记的特型机动车。

Special type of vehicle not allowed for registration due to the issue of not meeting the national standard of axle load, total mass, outline, size.

这张卫星图片大约在当地时间早上7:45拍摄，这时太阳依然停留在地平线以下，从而我们可以看到，该地的地形外廓被投影到其高地的西侧。

This astronaut photograph was taken at approximately 7:45 a.m. local time, when the Sun was still fairly low above the horizon, leading to shadowing to the west of topographic high points.