An arch with a pointed apex.

An arch with a pointed apex. make a sharp explosive noise.

有一个尖锐的顶点的拱。发出尖锐的爆炸的声。

Results: ( 1) The distance from the arch apex of anterior semicircular canal to the surface of the petrous was 2.19 mm. The posterior semicircular canal was the nearest to groove for the sigmoid sinus.

结果：（1）前半规管拱峰离岩骨表面（弓状隆起）较浅，平均深2.19mm。

The bridge applies the continuous girder with five spans and three arches ≠ the double-deck and overlap arch structure of tie bar combined system, which was applied firstly in China with high-technical content.

该桥主桥采用的五跨三拱连续梁&系杆拱组合体系的双层叠拱结构，为国内首次采用，技术含量较高。

The bridge is a concrete-filled steel tubular arch bridge with tied bar.

该桥为钢管混凝土系杆拱桥，拱脚产生的水平推力均由相应的系杆抵抗。

Considering the three of the most disadvantageous combinations in finished phase, the stress, the internal force and deformation of main components, like Y form, arch, tied bar and suspender, are computed, proving that the structure meet the demand of criterion.

在使用阶段，考虑三种最不利组合，计算了主要构件Y构、拱肋、系杆、吊杆的应力、内力及变形，验证了结构在正常使用阶段满足规范要求；

Prestressing Construction of Pipe Arch with Bar Composite Bridge

浅谈钢管拱系杆组合桥预应力施工工艺

Conclusion Orthodontic technique of Edgewise brackets is a reliable method to stabilize the loose teeth. Compared with conventional arch bar splint fixation, the Edgewise technique has its unique advantage.

结论正畸Edgewise托槽技术是一种可靠的松牙固定方法，特别是其加圆丝技术具有某些独特的优越性。

Bottom arch bar plate-enlargement ring

（拱板转向架）下拱板夹板衬圈，涨圈簧

Concrete arch bar is an ideal roof member which is very suitable for the cold storage buildings.

砼拱板是一种理想的屋面构件，特别适用于冷库建筑。

Application of Large Span Prestressed Arch Bar in Grain Depot Project

大跨度预应力拱板在粮库工程的应用

Application of Arch Bar Structure in Cold Storage Building

拱板结构在冷库建筑中的应用

The Design and Research of the Thin-walled Arch Bar Roof Structure

薄壁拱板屋盖的设计与研究

Application of founding arch bar splint in treatment of maxillary fracture

铸造牙弓夹板在治疗颌骨骨折中的应用

Raize to equip the continuous feeding and discharging movement device which can prevent phenomena of stick, arch, bridge and block.

另外，指出了在粉尘治理过程中必须考虑配置防止粘附、起拱、搭桥和堵塞现象的粉尘连续化供排料活动化装置。

After simulation test and study on the construction of long span stone arch bridge, it is understanded that the combined effect between arch ring and arch center formed in advance is clear and the stress of arch ring is closely related to the process of construction.

施工模拟试验表明，特大跨径石拱桥在分环分段砌筑时，先期形成的拱环与拱架的联合作用明显，拱圈应力与施工过程密切相关。

Because the main arch and the center line of the bridge in the horizontal projection is misaligned, the deformation and stress distribution of the bridge are very complex.

主拱肋轴线水平面内的投影与桥梁中心线的不重合，全桥的变形和受力情况都很复杂。

Design and Analysis of Oval Arch Center with Two Joints for Plastic Tent

塑料大棚两铰椭圆拱架设计与分析

In recent years, the growth period was prolonged and production was increased by planting in the small arch shed covering with plastic film.

近年来，利用塑料薄膜进行生姜小拱棚覆盖提早保护栽培，延长生姜生育期，可显著提高生姜产量。

A 500-year-old arch door on the Great Wall has been reduced to ruins in north China's Shanxi Province after a strong gale hit last week.

上周，一场罕见大风导致中国北方山西省的长城一座拱门倒塌成为废墟，该拱门已有500年历史。

We walked under the big gingko trees, just like we were walking under a tree arch door.

我们走在大树下，好象走在树搭建成的拱门下。