本文介绍了用CRT和LCD作投影器件的前投影和背投影电视系统。
This article introduces the systems of front and back projectiles in which CRT or LCD used as the projection devices.
重点介绍了用量最多的CRT背投影和LCD前投影电视的技术进展。
The technical advancement of CRT back projection and LCD front projection are mainly introduced.
购买数字投影仪前关注的10件事。
这是你期望在古墓丽影中发现的东西：一个五角大楼形的房间投影出三维虚拟现实模型，挖掘一个公元前10世纪的57 000平方英尺的堡垒。
It's something you'd expect to find in Lara Croft's mansion: a pentagon-shaped room projecting a 3-d virtual-reality model of an excavated 57, 000-square-foot fortress from the 10th century B.C..
即使准备好所有设施，在演讲前充分的准备能够保证即使当电脑崩溃和投影系统无法工作时，也不会出错。
Even with all the facilities ready, ample preparations should be done before the presentation to ensure that nothing goes wrong even when the PC crashes and the projection system fails to work.
成千上万的阿根廷人聚集在这个宏伟建筑的开幕式前，盼望着有幸欣赏投影在墙上的3d电影。
Thousands of Argentineans gathered outside the theatre ahead of the grand reopening, hoping to catch a glimpse of a 3d film being projected on the side of the building.
目的：探讨髋臼在其前、后柱上的投影和螺钉放置的安全范围。
Objective: to investigate the X-ray projection of acetabulum on its anterior and posterior column and to develop a safe area for screw placement.
为了在曲面屏幕上正确的显示图像，需要在投影前实时地对图像进行几何校正和边缘融合。
The image should be corrected by geometric calibration and edge-blending before projection in order to display image on the curved plane screen correctly.
然后采用运动向量归一化、噪声向量滤除、权值扩展向量中值（WEVM）滤波及前帧分割结果后向投影技术来得到对象的运动掩码；
Then the methods of normalizing MV, weighted extended vector median (WEVM) filter on the MV fields and the existent segmentation results projection were utilized to obtain the moving mask of object.
提出一种基于参考误差的投影算法来训练网络权值，训练后网络输出能逼近期望的前馈力矩，并从理论上证明跟踪误差的收敛性。
The neural network trained by projection algorithm with the reference error is used to approximate the desired feedforward compensation. Convergence of the tracking error is proved.
公司下设销售部、大屏幕投影事业部，专门从事建筑玻璃和前表面反射镜的销售和技术服务。
Company founded large screen projection department, Special deal in sale and Technical service of front surface optical reflective mirror.
本文介绍利用投影仪和透明胶片在大教室前的屏幕上动态演示干涉、偏振等波动光学现象及其规律的一些方法。
Transparent film projector is used to demonstrate interference, polarization and other wave optical phenomena and laws on large screen in big lecture halls.
根据6.7.6项进行检测时，当锁点方向的安全栓全部弹出并且完全被锁住时，将得到L1前护木的最小投影。
When measured in accordance with 6.7.6, the deadbolt when fully thrown in the locking direction and detained, shall have a minimum projection to the forend of L1 (see Figure 1 and Table 4).
本网页提供前四个课程及最后一个课程的课堂讲稿投影片，大多数的讲稿内容取材自即将发行的教科书；
This page provides lecture slides for the first four lectures plus the final lecture session. Most lecture materials were based on the forthcoming textbook;
本网页提供前四个课程及最后一个课程的课堂讲稿投影片，大多数的讲稿内容取材自即将发行的教科书；
This page provides lecture slides for the first four lectures plus the final lecture session. Most lecture materials were based on the forthcoming textbook;
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