To get that to work, the graphics environment needs to know the start and end coordinates of the viewport.

A helmet comfort study is carried out from the viewport of ergonomics.

从人机工程学的角度，分析了影响军盔舒适性的力学因素。

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This is a key since moving a dense mesh around your viewport can really slow down your system.

这是因为移动的视口周围密集的网格可以真正降低您的系统的关键。

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A viewport is an artificial coordinate system that is translated into the physical coordinate system of the image.

viewport是一个人造的坐标系统，可以转换成图像的物理坐标系统。

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With a bit of design work, you can use Viewport Rectangle to create some unique behaviors.

只需一点设计工作，你就可以用视口矩形创造出一些独特的行为。

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AutoCAD in layout and Application of the Floating Viewport

AutoCAD中布局与浮动视口的应用

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The viewport size of the Camera when set to Orthographic.

当设置了正交时摄像机的视口大小。

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First, notice that in the head of the document, I set the viewport.

首先，在文件头部我设置了视区。

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Another important and recommended element is a < meta viewport> tag.

另一个非常重要且值得推荐的元素是标记。

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The other items will center the link in the viewport.

其他条目将在视窗中居中显示该链接。

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The viewport tag changes the logical view size when displaying a page.

显示页面时视窗标签修改逻辑视图大小。

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Transforms position from screen space into viewport space.

从屏幕空间到视窗空间的变换位置。

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Its large diameter and large viewport give it strong capacity to spectrum sky surveys.

它的大口径和大视场使其具有很强的光谱巡天观测能力。

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In the future I would like to add the ability to support Viewport scaling as well.

在未来，我想补充的能力，支持缩放视口也。

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Get the current offset of the first matched element relative to the viewport.

获取匹配元素在当前视口的相对偏移。

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Multi-viewport Algorithm for Drawing Profile of Object in Space

空间物体断面图的多视区显示算法

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But for the reasons of measurement errors, orientation errors and viewport self-occlusion, we have to solve some difficult problems such as noise removing, hole filling and overlapped scanned patches registration for the scanned point cloud.

但是，由于测量误差、定位误差和视点遮挡等多方面原因，目前的三维扫描设备所得到扫描点云数据均面临着去噪、补洞、多次扫描数据的匹配对齐等诸多困难的后处理问题。

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Returns a ray going from camera through a viewport point.

返回从相机出发穿过视点的一个射线。

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Discovery and environmental significance of volcanic glass in eolian dust layers in the East China Sea Islands

东海岛屿风尘地层中火山玻璃的发现及环境意义

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During the period of Late Carboniferous and Early Permian, the sandstone with abundant volcanic dust fillings was mainly deposited in a peat marsh environment, which constituted a favorable reservoir of coal-formed gas in Ordos Basin.

在晚石炭世&早二叠世，鄂尔多斯盆地泥炭沼泽环境下发育的富含火山尘填隙物砂岩是煤成气的主要储集层。

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In order to explore main causes and dynamic mechanisms, the latest data of past sequences of solar radiation and volcanic dust are adopted in this paper to simulate the climate change during the Little Ice Age.

利用最新的太阳辐射变化资料和火山灰记录通过气候模式的模拟试验来探讨小冰期气候的形成因子，并揭示其动力学机制。

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