suspended step是什么意思

用法例句

A structural scheme of the stiff suspension platform for supporting the feed cabin of the FAST, which will be built in China and will become the largest radio telescope in the world, is presented in this paper.

为将来在中国建筑世界上最大的射电望远镜 (FAST) ,提出了一种馈源刚性悬挂平台结构方案 。