The characteristics and problems should be solved of resin matrix composites used in launch vehicles and satellites structure are described from the view of their working environment and requirement.

本文从运载火箭、卫星的环境和使用要求出发，叙述了树脂基复合材料用作运载火箭和卫星结构的特点及需要解决的问题。

youdao

The system changes traditional working mode of thesaurus development. It can satisfy the requirement in network environment and make data processing, updating and maintenance more convenient.

该系统能够改变传统叙词表编制模式，适应网络环境下叙词表编制工作的需求，更好地支持叙词表的数据加工、更新及维护。

youdao

It describes basic condition of instrument and meter normal working, analyse all kinds of disturbing factors, raise its design and selection and environment requirement.

论述了仪器仪表正常工作的基本条件，分析影响(干扰)其正常工作的各种因素，提出仪表设计造型及对环境的要求。

youdao