Warning: file_put_contents(): Only 0 of 6173 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 Caseegrain例句_Caseegrain英汉例句_Caseegrain双解例句_魏碑心思朗文词典
The design of the structure of Caseegrain drawtube in space remote instrument was introduced.The product model was constructed using 3-D CAD technique. 摘要介绍了空间遥感仪器中卡塞格伦镜筒的结构设计，利用三维CAD技术构建了产品模型。