The free vibration analysis is conducted by using arch-frame structure model for brick arch floor, from this the local vibration and the whole vibration of the arch are studied.
对砖拱楼盖，采用拱框结构力学模型进行了自由振动分析，并探讨了局部振动和整体振动等同题。
The Airbus A380 has 50% more floor space than arch rival Boeing's 747 Jumbo, with room for duty-free shops, restaurants and even a sauna, and can provide site for up to 853 people.
空客A380有比主要对手波音公司的747大型喷气式客机多50%的底层空间，有免税商店房间、餐厅、甚至有一个桑拿窒，并且能提供多达853人的座位。
Firm your scapulas against your back torso, lengthen your coccyx toward the floor, and arch your upper torso back slightly.
把肩胛稳固于躯干后侧，向地板方向拉长尾骨，并把躯干上部往后轻轻地拱起。
Firm your scapulas against your back torso, lengthen your coccyx toward the floor, and arch your upper torso back slightly.
肩胛骨稳定向背部延伸尾骨向地板，将背部微微向上顶成弓形。
The effect of the equivalent stiffness ratio on seismic behavior of a high arch transfer floor structure is analyzed and interpreted.
通过分析指出了等效刚度比对高位拱式转换层结构抗震性能的影响。
The crawl space beyond had a floor of unpainted, unvarnished wood, and narrow walls of brick. The three-foot ceiling was curved in an arch. It looked like a chimney lying on its side.
另一面的管道地板是没有漆过的木板，两边是窄窄的砖墙。三尺宽的天花板弯曲成拱形。看上去像一个横放着的烟囱。
On the basis of theoretical analysis, properties of arch transfer floor subjected to vertical loading have been experimentally researched.
在理论分析的基础上，对拱式转换层结构在竖向荷载作用下的性能进行了试验研究。
Only 1,000, 000 vehicle crossings produced significant cracking in the floor beams of the tied arch span and in the plate girders of the approach spans.
仅通过1,000,000辆车就在系杆拱的横梁中以及引桥的板梁中造成明显的开裂。
The result indicates that the arch transfer floor can satisfy the requirement of large span effectively, possess relatively good ductility and avoid brittle destruction.
试验研究表明，拱式转换层结构能有效地满足大跨度要求，并具备较好的延性性能，能避免脆性破坏；
Lift and lengthen the soles of your feet from the middle of the arch of your foot forward on the floor or sticky mat.
在地板或者粘的垫子上抬起并从足弓的中间开始伸展脚趾向前。
Arch net floor has opened up a new way for the small-sized works, expecially for the canal system structures of low FroudaNumber underflow energy dissipation.
拱网为小型工程特别是渠系建筑物低佛氏数底流消能开辟了一条新途径。
The dynamic characteristic and seismic response of two models are analyzed in order to study the coupling behavior between arch and the system of bridge floor.
对这两个模型分别进行动力特性分析和地震响应分析，以研究桥道系对拱肋结构地震响应的耦合作用。
The dynamic characteristic and seismic response of two models are analyzed in order to study the coupling behavior between arch and the system of bridge floor.
对这两个模型分别进行动力特性分析和地震响应分析，以研究桥道系对拱肋结构地震响应的耦合作用。
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