The nuclear fission programmes that dominated at that time have been abandoned (except in France), and nothing has been established in their place.
The nuclear fission programmes that dominated at that time have been abandoned (except in France), and nothing has been established in their place.
那时处于垄断地位的核裂变研究开发计划已经放弃〔在法国除外〕，且没有建立任何能够取代其地位的新的研究开发计划。