This means that the appropriate place for usability testing is quite late in the design cycle, after there is a coherent concept and sufficient detail to generate such prototypes. 使可用性测试放在设计周期的较后阶段，即在有了一个连贯的概念和充分的细节以产生文档或原型之后。
In order to improve the quality of filament-wound products and shorten the design cycle, the type and law of the filament-wound are analyzed in this paper. 为了提高纤维缠绕制品的质量，缩短设计周期，本文对纤维缠绕的类型及其规律进行了分析。
