1) back cavity
背后空洞
1.
Ground penetrating radar is a kind of economical and high efficient detection tools in geotechnical engineering and can detect the thickness of sprayed concrete for initial lining,back cavity and compacting status of backfilling for overbreak in tunnel.
探地雷达是岩土工程检测中较为经济、高效的检测工具之一,可以对初衬喷射混凝土的厚度、背后空洞及超挖回填密实情况进行探测。
2) back-space
背后空间
1.
The back-space decreasing is benefit to improve the arc voltage,pressure of arc chamber and change the arc motion in arc quenching chamber.
研究结果表明:灭弧室背后空间的改变,对模型开断能力影响明显,减小背后空间体积有利于提升电弧电压、灭弧室气压以及改善电弧运动情况。
3) Shadow Behind the Human Soul
灵魂背后的黑洞
4) Back
[英][bæk] [美][bæk]
朝后;向后;背部;后9洞，"走后门"推杆(球从球洞后沿进洞)
5) post-traumatic syringomyelia
创伤后脊髓空洞症
1.
Objective To analyze MRI manifestations of post-traumatic syringomyelia and its formation mechanism.
目的分析创伤后脊髓空洞症的MRI表现及其形成机制。
6) back
[英][bæk] [美][bæk]
后背
1.
The supporting and back structures are important temporary structures in jacking construction of bridges and culverts, and are of great importance in ensuring smooth construction and guaranteeing the time limit for a project.
支护和后背是桥涵顶进施工中重要的临时结构,对施工顺利与否、保证工期起着关键的作用。
补充资料：背后
①后面：山～。②不当面：有话当面说，不要～乱说。
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