1) dorsal support
背撑
1.
Researches of dorsal support interference in low speed wind tunnel thrust vector test;
低速风洞推力矢量试验背撑干扰特性试验研究
2) backside support
背部支撑
1.
Optimum method of backside support position for large-aperture primary mirror with flat rear surface;
大口径平背形主镜背部支撑位置优化计算方法
2.
Using parameter optimization and topology optimization, a theoretical and highly efficient new lightweight design method was proposed for the Large-aperture primary mirror of flat rear surface with backside support.
将参数优化与拓扑优化设计方法应用到采用背部支撑方式的大口径平背形反射镜中,提出了一种理论性强、效率高的新型轻量化设计方法。
3) backstay
[英]['bæk,stei] [美]['bæk,ste]
背撑牵条
4) background support
背景支撑
1.
The background support of Instillation Theory used in the ideological and political education and its development
灌输理论在思想政治教育中运用的背景支撑及其发展
5) Backstay-Spring Steam Seal
弹簧背撑式汽封
6) backup roll
小支书撑辊;背辊
补充资料：背对背
背靠背。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条