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Comparing with the case of no adit, because of arch tunnel set being broken; the intersection structure is subjected to combination of complicated stresses including transverse stress, but not the axial stress.

与无横通道情况相比,由于拱形支撑作用被切断,结构受力己不再是单一轴向受力,而产生了部分弯曲受力的复杂受力状况。

Researched influence of frequency on characteristic of electromagnetic wave transmission in tunnels, and analyzed characteristic of electromagnetic wave transmission in circular, arches and curved tunnels by method of metal wave guide, and gives approximate formulas of attenuation rate. Main conclusions we obtain are as follows: in circular,rches tunnels, if frequency is higher, attenuation rate is smaller, it is beneficial for EM waves to transmit, in curved tunnel, higher frequency, more attenuation rate ...

研究了频率对井下电磁波传输特性的影响,采用金属波导法分析了圆形、拱形及弯曲隧道中电磁波的传输特性并给出衰减率近似公式,得出主要结论:在圆形和拱形隧道中,频率越高,衰减率越小,越有利于电磁波的传播;在弯曲隧道中,频率越高,衰减率越大,不利于电磁波的传播;通过特性曲线与井下实验数据相比较得出在900MHz左右为井下无线通信系统传输信号最佳频段。

In this paper, resource and feature of three-dimensional data model to the arch tunnel and interior installation are mainly researched; design thinking of the arch tunnel model is given out; algorithms of three-dimensional model about tunnel body and the joint part of the adjacent to tunnel body are achieved; in addition, relevance algorithms of texture mapping technology to interior in tunnel body and three-dimensional model of interior installation of tunnel are also researched.

主要研究了拱形巷道及其内部设备三维建模的数据来源和特点;给出了拱形巷道建模的设计思路;研究了实现巷道体和相邻巷道体之间连接处三维建模的算法;另外也研究了实现巷道体内部纹理贴图技术及巷道内部设备三维建模的相关算法;研究了实现三维巷道漫游的算法。

Or again, note the meanderings of some purling rill as it babbles on its way, tho' quarrelling with the stony obstacles, to the tumbling waters of Neptune's blue domain,'mid mossy banks, fanned by gentlest zephyrs, played on by the glorious sunlight or 'neath the shadows cast o'er its pensive bosom by the overarching leafage of the giants of the forest .

113再则,请注意那打着漩涡蜿蜒曲折地哗哗淌去的泪泪溪流与拦住去路的岩石搏斗,在习习西风轻拂下,冲向海神所支配的波涛汹涌的蔚蓝领国;沿途,水面上荡漾着灿烂的阳光,两边的堤岸爬满青苔,森林中的巨树那架成拱形的繁叶,将荫影投射于溪流那忧郁多思的胸脯上。

And conclude that the impulsively started cross flow analogy is not suit precisely to predict the sectional side force distribution of slender body with a pointed ogive nose, because the pointed nose slender body exhibit an roll angle effects.

认为脉冲起动横流比拟方法不适用于预测尖头拱形细长体的侧向力分布特性,因为尖头拱形细长体具有明显的滚转角效应。

Utilizing large-scale finite element software which is called ADINA to do numerical simulation of one colliery in Handan,the whole destroy process of the laneway is clearly saw which accompanied with the excavating,and the result is the same with the practical situation,providing a better method for the coved laneway deform research and stabilization analyse in complicated condition.

利用大型有限元软件ADINA对邯郸某煤矿拱形巷道进行数值模拟,可以观察到巷道随着开挖的进行,变形破坏的全过程,其模拟结果与实际情况相符,为在复杂条件下拱形巷道的变形研究及稳定分析提供较好的方法。

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。

The appearance is that of a fallen keystone in a broken arch.

外貌看起来是由倒下的拱形石破裂成拱形。

Prayer design is identified by the prayer arch. The arch is pointed toward the direction of Mecca while praying.

型号:1074 祈祷图案祈祷图案PRAYER DESIGN的一端有形似清真寺的拱形设计,拱形顶端在礼拜时朝向麦加方向。

The other art work is composed by two doors similar to a pagoda and a roman arch one on which there are all the Italian and Chinese signatures of people who contribute to do my work.

其他的艺术作品包括两个相似的门组成的塔和一个罗马拱形,在这个拱形上有着为我的作品作出努力的意大利人和中国人的签名。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。