开口

Results Forty pts with renal artery ostium stenosis （≥50% diameter narrowing by RAG /MRA） were found.

结果检出肾动脉开口部狭窄程度≥50％的病人40例，87.5％病人缺乏特异临床表现。

Methods Clinical data of 100 children with chronic rhinosinusitis receiving nasal cavity replacement therapy, antral lavage through natural ostium and functional endoscopic sinus surgery were analyzed retrospectively.

方法回顾性分析我院收治的100例小儿鼻窦炎，根据患儿不同情况采用药物鼻腔置换疗法、鼻内镜引导上颌窦自然开口置管冲洗及鼻内镜下功能性鼻窦手术治疗的疗效。

Methods The clinical data of 43 adult patients (59 sides)suffering from chronic sinusitis with frontal sinus involved were analyzed retrospectively. The frontal sinus ostium was identified by the help of artificial frontal drill (20 cases) or XPS frontal drill (23 cases), and the efficacy was evaluated via postoperative follow-up of all cases. Results The ostia of frontal sinus were successfully opened in all cases, and no serious complications occurred.

回顾分析2004年12月～2007年8月间的额窦炎43例，因术中额窦开口难辨而采用额钉辅助定位，其中使用手摇额钻20例，XPS额钻23例，总结手摇额钻与XPS额钻的优点和缺点、使用过程中常遇到的问题和风险，以及各自的使用方法和注意事项。

Based on the principle of refraction and reflection, it is analyzed why electrified-opened-switch is easy damaged by lightning overvoltage .

从过电压的折射和反射的原理出发，分析了带电开口运行开关容易遭受雷电过电压损坏的根本原因，提出了相应的改进保护措施。

The properties of rare earth Mg-based AB_3-type hydrogen-storage electrode alloys and the influence of the partial substitution of Al for Ni on these properties were discussed by using self-made H-type open glass tri-electrode system after a great deal of experiments.

借助于自制的开口式H型玻璃三电极测试体系，并在大量的前期实验工作基础上，研究了新型稀土镁基AB3型贮氢电极合金的性能以及添加Al的作用。

He took out his card-case and handed a card to the woman, who examined the slip of pasteboard anxiously before she spoke again.

他拿出他的名片匣子，抽出一张给那妇人，她在重新开口之前，迫不及待地端详着那一张名片。

Monogram canvas, cotton lining, natural cowhide trimmings and handles.Golden brass pieces,Double zipper closure,Two inside patch pockets.Large, exterior pocket with zip.Extendable handle with a press button, natural cowhide vertical handle and anti-skid wheels.Handle attachment, removable address label.

Monogram 帆布，棉质衬里，天然牛皮饰边与手柄，金黄色黄铜饰件，双拉链开口，两个内侧贴袋，大型外侧拉链口袋，按钮式的可伸缩手柄，天然牛皮垂直手柄与防滑轮，手柄附件，可拆卸地址标签，手提行李尺寸。

Too obsessed with magic, coupled with magic props are not cheap, he dared not open to his family for money, looking for the brother went to the steak shop, patisserie to work, then the profits of all used to buy magic props, and learn magic tuition.

因为太沉迷于魔术，加上魔术道具不便宜，他不敢向家人开口要钱，找上哥哥一起到牛排店、蛋糕店打工，然后把所赚的钱全部用在买魔术道具和学魔术的学费。

They all pushed and shoved to the front of the Pelican's bay.

他们推挤着到了鹈鹕运兵船的开口处。

A percussion instrument consisting of a piece of metal in the shape of a triangle open at one angle.

三角铁一种打击乐器，由一块三角形的金属构成，在三角形的一个角开口

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。