arch key

For high arch dams, the key problems include monolithic stability evaluation, cracking evaluation of dam-heel, reinforcement design of dam-toe and faults of dam foundation, and the value of mechanics parameter of rock mass.

高拱坝结构整体稳定性评价、高拱坝坝踵开裂稳定评价、高拱坝坝趾加固设计、高拱坝基础断层的加固处理及岩体力学参数取值问题为高拱坝设计中的关键问题。

Conclusion: Relieving the tension of anastomosis, enlarging the outlet of thorax and the space posterior to aortic arch are key steps for preventing anastomotic fistula.

结论：降低吻合口张力，保证胸腔入口、主动脉弓后间隙宽畅是避免吻合口瘘发生的关键。

Carotid sinus and aortic arch baroreflex plays the key role in buffering the fluctuation of blood pressure and keeping blood pressure homeostasis.

颈动脉窦、主动脉弓压力感受器反射是缓冲血压变化，维持机体血压稳态的重要调节机制。

Rese arch On The Key Technologies' Countermeasures In the Design of Combined Bridges With Prestressed Continuous Beam and Arch

连续梁拱组合桥梁设计关键技术对策研究

Results Zygomatic arch was an anatomical key for medial skull base and infratemporal fossa exposure. The length of the zygomatic arch and the width of the mandibular fossa were 32.9 ± 2.6 mm and 15.5 ± 1.3 mm respectively.

结果颧弓是暴露中颅底和颞下窝的关键，颧弓长度和下颌关节窝宽度分别为32.9±2.6mm和15.5±1.3mm；