1. For the absence of vertical sternum stand in the primary unit, a simple compound sternum stand with ax-ray filter is designed. 根据基层部队普遍没有配备立式胸片架的实际情况，研制了一种带固定滤线器的简易组合式胸片架。
2. Tunica-corpus theory A theory of apical organization and development that distinguishes two separate tissue zones, the tunica and the corpus, in the apex of a flowering plant. 原套原体学说：是一种关于有花植物顶端组成及发育的理论。
3. Results Anterior mediastinal hematoma appears as soft-tissue behind sternum, and has a clarity circumscription with other structures. 结果前纵隔血肿表现为胸骨后软组织密度影，与周围结构界限清楚，心脏大血管受压后移；
4. Ribs were the most frequent metastatic sites, vertebras, pelvis, bone of limbs, scapulae, skulls, sternum and clavicles were the next. 2%，发生骨转移最常见的部位为肋骨，其次为脊椎骨、盆骨、四肢骨、肩胛骨、颅骨和胸锁骨。
5. Probably the smaller length of sternum increases the compressive forces on the vertebral endplates anteriorly, allowing uneven growth of the vertebral bodies with wedging. 也许更短小的胸骨在前方增加了椎体终板受压的力度，这使得被楔入的椎体生长不均匀。
