查询词典 projection

No Auto-Keystone: Many projectors in this class include an auto-keystone capability that will automatically square up the image based on the projection angle of the projector.

没有自动梯形：在这个类的许多投影包括自动梯形能力，将自动广场上投影机的投影角度的图像。

The thesis finds out the relations of all kinds of factors that affect the warhead kill power and brings forward a formula of projection angle that is quite consistent with the experimental results in fragment density.

本文正是针对这一要求，以35mm口径榴弹为对象，对战斗部头部的定向杀伤进行了研究，找出了影响杀伤标准的各种因素的内在联系，并根据已有理论提出了一抛掷角公式，经过与试验双较，基本吻合。

Results 3D angiography provided useful information to treat symptoms of intracranial arterial stenosis,and also was useful to help the determination of projection angle of 2D angiography.

结果 三维重建成像图像立体逼真，能够清晰地显示颅内动脉狭窄的部位、形态、狭窄程度，且对二维脑血管影像的工作角度具有指导意义。

By 3D angiography method,we can summary some optimal projection angle of intracranial arterial stenosis by 2D angiography method.

三维重建成像颅内动脉狭窄显示角度二维脑血管显示狭窄部位提供具有非常重要的指导意义。

A method of right angle auxilliary projection on an arbitrary plane is provided, by which the dihedral angle can be obtained directly.

提供一种在一般位置平面上的直角辅助投射方法，直接求两面角，具有概念明确唯一，作图方法简单，可以适应钣金划线工作中制造卡角样板的实际需要。

The projection angle of two B-edges of pentagonal prism has a great effect on the second optical parallelism; however, it cannot be measured during on line processing, which results in low qualification rate.

由于五角棱镜两B棱的投影夹角对第二光学平行差影响倍率较大且加工过程中无法测量该夹角，从而导致棱镜加工合格率较低。

Abstract］ Objective To evaluate the role of three-dimensional （3D） digital subtraction angiography in the diagnosis and treatment of symptomatic intracranial arterial stenosis.Methods Stent-assisted angioplasty was performed on 30 patients with symptoms of intracranial artery stenosis by 3-dimesion（3D） method.These imagings were reviewed by different locations to get information of optimal projection angle in 2D angiography.

目的 探讨三维重建技术在颅内动脉狭窄的诊断和治疗中的应用方法对使用具有三维重建功能的美国Advantx LCN+型X线血管造影机进行的30例症状性颅内动脉狭窄的患者的支架成形术进行回顾性分析。

For decreasing the calculation amount of angle functions for obtaining projection address, the trigonometric functions' values are calculated in advance and stored into a table which can be indexed if needed.

反投影时为了减少求取投影地址时三角函数的运算，将三角函数值事先求得并存到查找表中，需要时调用。

By applying the smoothed particle hydrodynamics method to the detonation driving plate problems, a clear wave structure in the metal plate and the varying process of the projection angle were obtained.

将光滑粒子法(smoothed particle hydrodynamics method， SPH)应用于金属平板爆轰驱动过程的数值模拟，得到了炸药与金属相互作用的清晰的图像和平板抛射角的变化。

The X-ray imaging observation and the localized velocity structure favor such a bound-incoming model that these two clusters, with a true spatial separation of about 6.4Mpc/h, are moving together with a relative velocity of 664 km/s along the direction with a projection angle of 71.5 du.

近来的X-ray成像观测以及局域速度结构支持这样一种束缚塌缩模型：两星系团的真实空间距离约为6.4Mpc/h，其投影角为71.5度，并正以大约664千米每秒的相对速度靠近。

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％。