Spring to make themselves more to get to know some friends, then please verdant leaflets when the wizard, lobular arch out of bud, bud skin becomes spring guide, the spring breeze while accompanied by dancing, while moving rapidly ahead with a negative inside, walk through the street, as if the fish swim freely in the water drag.
春风为使自己多结识一些朋友，便请嫩绿的小叶当向导，小叶拱出了芽，芽皮就成了春风的向导，一会儿伴着春风翩翩起舞，一会儿带着内负疾速前行，在大街上穿行，好似鱼儿在水中自由自在地游曳。
The shaker mount is first moved a small distance toward the arch ends to ensure that the arch possesses two stable equilibrium positions, one on each side of the base line. The spring connecting the arch end and the mechanical shaker is carefully chosen such that small shaker stroke can induce large vibration amplitude of the arch.
此外，我们在激振器与拱形梁之间外加一个弹簧做连接，这可使激振器在仅能达到有限的激振振幅下，仍能使拱形梁端点有足够大的振幅产生，并使之能够发生折断式挫曲现象。
Objective Observe the clinical effect of removable lingual arch plus auxiliary spring for convenient dental (especially mandibular) arch expansion.
目的观察活动舌弓+再曲簧临床扩弓效果，寻找一种简便、有效，尤其对下颌牙弓更理想的扩弓方法。
The patients were divided to two groups at random for arch expansion with removable lingual arch plus auxiliary spring and with Quad-helix, respectively, and the effect of arch expansion was compared between the two groups.
其中上颌扩弓者9例，下颌扩弓者8例，随机分为两组，分别采用活动舌弓+再曲簧和四眼簧进行扩弓，比较两组的扩弓效果。
The new arch spring of composite truss arch bridge is used to support the middle truss arch of the bridge and the structural formation and force conditions of the joint of the spring are complicated.
桁式组合拱桥的新拱脚支撑着中部桁架拱，新拱脚结点构造和受力复杂。
A method of optimizing the span of spandrel arch, rise-span ratio and axis coefficient is given, through analysis on the influence line of spring and mid-span of the main arch.
本文通过对主拱拱脚和跨中弯矩影响线的分析，得出了此类异型结构的腹拱跨径、矢跨比以及拱轴线系数的合理选取方法。
The thrust at spring of spandrel arch makes it different between compound arch bridge and ordinary arch bridge.
复拱桥腹拱拱脚对主拱有较大水平推力作用，这一水平推力使得复拱桥受力与普通拱桥有所不同。
Time effect on the mechanical properties of orthodontic NT arch wires Clinical Application of Ni-Ti Open Coil Spring with Ni-Ti Archwire Correcting Teeth'Crowding
临床使用时间对正畸镍钛弓丝机械性能的影响主弓丝套推簧与镍钛圆丝联合应用矫治牙列拥挤
From the example of Aohan Bridge in Liaoning Fuxin, paving definite expasion concrete on the arch crown and reinforcement in arch spring can enhance the bearing capacity of section and ability to resist to negative moment.
以辽宁阜新敖汉桥为实例，在主拱圈顶部铺设一定厚度的膨胀混凝土并在拱脚一定范围内配筋，可以有效的增强截面载力和抵抗负弯矩的能力。
Local Stress Analysis of Joint of New Arch Spring of a Composite Truss Arch Bridge
某桁式组合拱桥新拱脚结点局部应力分析
There are pressure balance arch structures in the overburden with the advancing of the coal face, the working resistance of the supports are from the interaction of the rocks within the pressure arch and the pressure of the arch spring.
综放开采上覆岩层存在着压力拱结构，工作面支架工作阻力来自于压力拱内部岩石相互作用和拱趾压力。
Using rigid body spring element method, this paper studied the dynamic stability of58 possible slip bodies of Xiaowan double curvature arch dam shoulders under earthquake condition.
本文采用刚体弹簧元法，分析了小湾双曲拱坝左右岸58个可能滑动体在地震作用下的动力稳定安全系数。
The combination between the viscous-spring boundary condition and the implicit finite element method is established, and is applied to the dynamic analysis of gravity dams and arch dams of hydraulic engineering. 4.
将粘&弹性边界条件与隐式有限元相结合，并将其应用于水利工程中重力坝和拱坝的抗震分析中。