...导入导引流道，由此，被导入的第一气流可有效地冷却光学系统的每一个面板。 在上述的实施例中，光学系统另包括一投影镜头(Projection lens)，用以投影一影像。本发明的投影机进一步包括一第二风扇，设置于近投影镜头处。
基于147个网页-相关网页
projection lens jacket 投影透镜套
standard projection lens 标准投影透镜
ultraplane microscope projection lens 超平场显微镜投影镜头
Slide projection lens 幻灯放映物镜
schlieren projection lens 施利仑投影透镜
Projection lens system 投影光学系统
wide-angle fish-eye type projection lens 超广角鱼眼镜
zoom projection lens [光] 变焦距投影物镜
front projection lens 前投影机镜头
But there is no standard quantitative method for the measurement of projection lens in the production of projection display system.
但是长期以来，投影显示设备的生产中缺少能够定量的检测投影物镜性能的标准化方法。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
The color projection system also includes a projection lens optically coupled to the polarizer.
所述彩色投影 系统还包括一个与偏振器光耦合的投影镜头。
Two main installation methods of lithography projection lens were studied in this paper, and their characteristics were discussed.
对两种主要的光刻投影物镜安装方式进行了研究，并对各自特点进行了讨论。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
应用推荐