The search for new weapons continues unceasingly, and is one of the very few remaining activities in which the inventive or speculative type of mind can find any outlet.

• 谋求发明新式武器工作继续不断，凡是有创造性头脑的人或者喜欢探索的人要为他们过剩的智力找个出路，这是极少数剩下来的活动之一。