查询词典 tube

And the main tube has seven sound hole, diapason are 3 5 6 7 1 2 3 5 6, sub-tube just emit one sound sostenuto.

葫芦丝的构造较特殊，所用材料取自天然，纯手工完成制作过程。

Relatively speaking, the drawing for tube with fixed short plug technology would reduce the difference of the residual stress between inside and outside of the tube, and increases its uniformity.

外模半锥角对固定短芯头拔管材的轴向残余应力具有显著的影响；当半锥角为12 时，拉拔后管材的轴向残余应力值较小且分布均匀。

A physical meaningful seven-parameter X-ray tube spectrum model is firstly established. Then model parameters are calculated from attenuation data so that X-ray tube spectra can be reconstructed.

该方法首先建立一个具有物理意义的7参数球管光谱模型，再通过测量的光谱衰减数据求解模型参数，进而重建光谱。

Knowledge of tungsten anode X-ray tube spectra is essential for X-ray dose control, X-ray image quality evaluation and dual-energy X-ray imaging etc. A model-based tungsten anode X-ray tube spectrum reconstruction method is presented in this paper.

X射线球管光谱信息是进行X射线曝光剂量控制、X射线成像质量评估、X射线双能量成像等必不可少的，为此本文提出一种基于模型的钨靶X射线球管光谱重建方法。

With the dumbbell singularities he showed that" surgery" could be performed: Snip the thin tube on each side of the incipient pinch and seal off the open tube on each dumbbell ball with a spherical cap.

对于哑铃的奇异点而言，他证明可以施展一项「术」把紧束点两边的细管子剪断，然后在每个哑铃细管子的开口上盖一顶小圆帽。

It is necessary for the normal structure of the neural tube in developing embryos, thus reducing the chances of neural tube defects such as spina bifida.

这是必要的正常结构，神经管胚在发展中国家，从而减少了机会，神经管畸形，如脊柱裂。

Stress, strain rate and velocity distribution in billet of forward tube spinning and backward tube spinning were solved by applying this simulation system.

应用所开发的模拟系统对筒形件强旋进行了有限元分析，求得了正旋、反旋时毛坯中的应力、应变速率及流动速度分布。

In order to obtain actual preferred principle of processing parameter about three-roller backward spinning of tube,nonlinear FEA software ANSYS/LS-DYNA is,carried on 3D dynamic simulation,stress analysis and strain analysis to three-roller backward spinning of tube under different processing parameter.

为了确定更为符合实际的筒形件三旋轮强力反旋工艺参数的选用原则，利用大型非线性有限元软件ANSYS/LS-DYNA对不同工艺参数下筒形件三旋轮强力反旋旋压过程进行了动态模拟和应力应变分析。

Based on FEA, the parameter optimization system of tube stagger spinning has bee n established which has realized 3D simulation of such spinning and combined wit h artificial intelligence to optimize tube stagger spinning parameters.

以有限元模拟分析为基础，建立了筒形件错距旋压智能参数优化系统。实现了对错距旋压工艺的三维仿真，并结合人工智能技术，实现了对错距旋压工艺参数的优化。

The research mainly focuses upon the unique deformation mechanism, forming method, quality control and parameter optimization, and the key technologies in Finite Element Analysis for the 3D Non-Axisymmetric thin-walled tube spinning. A CNC spinning equipment for the 3D Non-Axisymmetric thin-walled tube has been designed and manufactured based on the experimental investigation of the forming method.

着重研究变形机理、成形方法、质量控制及优化成形工艺参数，解决三维非轴对称零件旋压成形过程数值模拟关键技术；通过对成形工艺方法的试验研究，研制出能够旋压成形三维非轴对称薄壁空心零件的工艺装备。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。