backbonen.脊骨;骨干;骨气;毅力
backbone contingent骨干队伍
backbone enterprises骨干企业
backbone of teachers骨干教师
backbone of solution解的backbone
backbone concentrator主干集中器节点
backbone hyper-edge主干超边
backbone rearrangement主链重排
backbone hydrogen bond主链氢键
backbone communication骨干通信网
Backbone bone fracture股骨干骨折