freespace自由空间。
双语例句如下：
1、In this paper, the structure of the inter-satellite laser communication system in freespace is introduced. 介绍了自由空间卫星激光通信系统的组成。
2、When in freespace transmission, the synthesis of coherent vortex will annihilation or mobile. 当在自由空间传输时，合成相干涡旋会发生产生、湮没或者是移动现象。
3、Freespace says life is an adventure. 自由空间说人生是一种冒险。
4、Freespace consultancy was founded in Hong Kong, China, embracing a portfolio of specialities in architectural planning, interior design, landscaping, and Fengshui. 香港弗瑞思空间策划顾问机构集建筑计划、室内设计、景观建筑、环境堪舆等多元经营之专业成立于中国香港。
