当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
结论：将硅胶管从兔的椎间外孔缓慢塞入椎间管内使腰神经根慢性轻度受压，更接近于腰椎间盘突出和椎间管狭窄对神经根的压迫。
Conclusion: The chronic nerve root compressed model made in this article was more similar to what resulted from lumbar disc herniation and lumber nerve canal narrowing.
目的研究椎孔外颈神经卡压综合征的机制及其与颈椎病的鉴别方法。
Objective To study the mechanism and differential diagnosis of cervical nerve compression syndrome of the external intervertebral foramen.
颈静脉孔的外口与舌下神经管相毗邻。
The outer aperture of JF was adjacent to the hypoglossal canal.
目的：研究椎孔外颈神经卡压综合征的机制及诊治方法。
Objective: To study mechanism, diagnosis and treatment of the external intervertebral foramen's cervical nerve compression syndrome.
平面、外圆、内孔、凹槽及其他较难测量的表面。
Plane, outer circle, inner hole, groove and other surfaces that are difficult to measure.
目的探讨用神经松解术治疗颈神经根椎孔外卡压综合征。
Objective To investigate treatment of using the method of neurolysis for cervical nerve compressing of the entrapment syndrome outside spinal aperture.
介绍了外火箱矩形竖窑进火孔改造前的使用情况以及改造的必要性；
This article introduces the application of fire entry hole of rectangle kiln with outer fire box before reconstructing and the necessity of reconstruction.
血细胞在毛细血管和膜孔入口处所受到的阻力构成血液循环外周阻力的重要组成部分。
The resistance to the blood cells at the entrance to capillaries and membrane pores contributes considerably to the peripheral resistance in the blood circulation.
调查了外秦淮河两岸垂柳上光肩星天牛羽化孔、排粪孔的分布情况。
The number of emergence holes and frass holes in weeping willows on both Banks of Qinhuai river are investigated.
在其内管上与外管相对应的部位开有多个过滤孔形成过滤器。
A plurality of filtering holes is arranged at the position on the inner tube corresponding to the outer tube, forming a filter.
其实除了切削圆锥面以外，小滑板还可以用来精车内孔和外圆或实现圆柱锥度误差补偿。
In fact besides cutting the taper surface, the small feeding carriage can be also used to finish hole and other round or compensate cylinder's taper error.
结果表明，除炮孔孔径在实际生产爆破中对振动影响不明显外，其它因素在大区微差爆破的设计中都值得注意。
The results show that the blast hole diameter has little effect of the vibration level in production blasting, and the other factors should be considered in large scale delay blast design.
介绍了一种方便实用、可在加工外圆、内孔时进行切深微量调节的方法。
A useful method for adjusting the micro-cutting depth when machining holes on a round bar is presented.
本项目的清灰方式除采用振打装置外，还在水平烟道上预留布置了三层激波吹灰器孔。
Besides adopting rapping device for ash cleaning, three layers of shock wave ash ejector holes are also reserved and arranged on the horizontal pass.
在安装条上靠近后端的部位设置限位片，该限位片的外边缘倚靠在通孔外的底座上。
A spacing piece is arranged at the portion close to the back of the installation rod, and the outer edge of the spacing piece leans against the chassis outside the through-hole.
形成沿径向相对于中心轴隔开第二距离以限定外圆周的第二多个导电性通孔(104)。
A second plurality of conductive vias (104) is formed radially spaced a second distance about the central axis so as to define an outer circumference.
对血红密孔菌在避光、高氮培养基中，产生胞外锰过氧化物酶进行了研究。
The extracellular Mn-peroxidase secreted by Pycno-porus sanguineus K-2352 in high-nitrogen medium under absolute dark condition was studied.
目的：总结、探讨远外侧经颈静脉孔入路治疗颈静脉孔区颅内-外沟通瘤的手术方法和注意事项。
Aim: The surgical strategy and technique for treating intra-and extracranial tumors at jugular foramen area by far lateral transjugular approach were explored.
目的：探讨肘外侧疼痛与椎孔外颈神经根(5 ~7)卡压的关系。
Objective: To investigate the relationship between resistant lateral elbow pain and cervical nerve roots (5 ~ 7) compression.
外照射放疗后发生双侧孔源性视网膜脱离：是否为巧合?。
Bilateral rhegmatogenous retinal detachment after external-beam radiotherapy:Just a coincidence?
随着道路试验里程的增加，由于微动磨损的不断加剧，其销轴与外链板孔、套筒与内链板孔的联结牢固度在逐渐降低。
With the increasing of road test mileage, because of the fretting wear picking up, the combined firm degree of pins and outer link plate bore, bushings and inner link plate bore is declined gradually.
如加工轴类工件时，总是先加工中心孔，再以中心孔为基准加工外圆表面。
When machining shaft parts, always machining center hole, and then to the center of the center hole for the processing of the outer surface.
在研究悬浮液入孔问题时，粒子在孔外任意位置所受的力和力矩是所需的最基本数据。
For any study of a suspension entering a pore, the knowledge of the force and moment exerted on a solute particle in an arbitrary position outside the pore is essential.
连杆小头孔中心与连杆小头孔毛坯外圆中心不同心，使一边孔壁变薄，强度下降。
Decentraction of the conn-rod small end hole center with the excircle center of the conn-rod small end hole blank, which causes the hole wall of one side getting thin with the strength dropping.
目的：探讨巩膜环扎联合巩膜外冷凝术对治疗孔源性视网膜脱离的疗效。
Objective: to investigate the curative effects in the treatment of rhegmatogenous retinal detachment (RRD) with the therapy of encircling buckling combined with scleral freezing.
结论改良经颈静脉孔入路可从后、外、下三个方向充分显露JF。
Conclusions The modified transjugular approach can provide sufficient exposure for JF.
外返孔取心工具与常规取心工具在结构上的根本差异是在安全接头与旋转总成之间设置了一个特殊的外返孔接头。
The basic difference of outside-vent coring tool from conventional one is that it has a special outside-vent joint installed between safety joint and swivel assembly.
外返孔取心工具与常规取心工具在结构上的根本差异是在安全接头与旋转总成之间设置了一个特殊的外返孔接头。
The basic difference of outside-vent coring tool from conventional one is that it has a special outside-vent joint installed between safety joint and swivel assembly.
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