The wireless gradient wind observation system solves the difficulty about installation and maintenance in the traditional observation system.

文中的无线梯度风观测系统和方法解决了传统观测系统在现有铁塔上安装、维护困难的难点。

youdao

In the case of wind, observation involves both speed as well as direction.

在风的情况(场合)下，观测不但(应)包括方向，而且还(应)包括速度。

youdao

I'd ridden a wind current down to the observation deck and spotted Uberman sitting on the ledge with his legs dangling off the side.

NPR: Excerpt: 'Hero'