空前的规模 meaning in English

unprecedented scale

Mr . rumsfeld said the soviet union was unprecedentedly engaged in a missile - building programme
拉姆斯菲尔德说，苏联正以空前的规模推行制造导弹的计划。
We believe that this exhibition will show the advanced construction steel structure equipment , material and technology for its large scale and abundant connotation
相信新一届的展会将以其空前的规模，丰富的内涵，充分展示建筑钢结构领域的先进设备、先进材料和高新技术，以及相关的产品。
" china has excelled in mobilizing resources for science and technology on an unprecedented scale and with exceptional speed , and is now a major r & d player , " the oecd report finds
“中国正在以空前的规模和超常规的速度调动科技研发资源，在这方面中国超越了竞争对手，目前已成为国际舞台上一个主要的科技研发参与者” ，经合组织报告这样评价道， “但这还没有带来创新能力的相应提高。 ”