查询词典 projection screen

The program developed with the formula enable the coordinates for points and the parametric formula for curves in the orthographic projection to be transferred into ones in the axonometric projection, which can be directly displayed on the screen. In addition, except for assigned different values to elastic coefficient of the axial direction and the angles of the axes, it is generally adapted in drawing any of the axonometric projections.

用它编程，可以把正投影中点的坐标或曲线的参数方程，转换成屏幕上能够直接显示点的轴测投影的坐标或曲线的轴测投影的参数方程，而且除了赋轴向伸缩系数和轴间角的大小、正负不同的参数值外，对绘任一种轴测投影和相应正投影都具有通用性。

Back projection display apparatus includes an optical engine, and display screen of back projection.

一种背投影显示装置及其背投影显示屏幕，背投影显示装置包括一光学引擎与背投影显示屏幕，光学引擎所提供的影像光束透过背投影显示屏幕显示影像。

When the projection is placed behind a screen (as it is in television and various video conferencing applications where the image is displayed on a monitor or a fabric screen) it is described as a back projection system.

当投影仪放置在屏幕的后方时（就像电视中以及各种电视会议中使用的那样，图像被投影到监控器或编织物屏幕上），称为背面放映系统。

The simulation result shows the collection efficiency of TIR lens model is 67% when the angle of light is confined within 15°. And the uniformity on observation screen is improved in some degree. The optimal design of TIR lens further provides the development space of LED micro-projection display system.4 On the base of the theory research and the model simulation, four projection display systems which have LCOS as micro-display panel and which combine different optical devise for UHP and LED light source respectively are proposed in this dissertation. And the quality of projection display system is evaluated by thesimulation outcome.

模拟结果表明，优化后的TIR透镜可实现将LED大角度扩展光束中67％的光能压缩到15°范围以内，并使目标屏的照明均匀性得到一定的改善，这为LED光源微投影显示系统设计提供了新的发展空间。4在以上理论研究和模拟分析的基础上，将优化和改造得到的照明光学元件应用到微投影显示的照明系统设计中，分别采用UHP和LED光源，设计了四套单片式LCOS微投影显示系统模型，通过光线追迹模拟结果，对系统性能进行了评价分析和对比。

The housing (8) extends rearward of the rear projection screen (6) and has an opening (16) formed therein.

外壳(8)向后投影屏幕(6)之后延伸，并具有一个在其中形成的开口(16)。

Electric curtains Series: electric opening and closing curtains, electric roller shutter, electric vertical blinds, electric Roman blinds, electric venetian blinds, electric Pleated curtains, electric folding ceiling curtain, electric FCS sunshade screens, electric FSS sunshade curtain, electric sunshade curtain FTS , the electric stage, Curtain, the electric stage curtain lifts, electric projection screen, as well as shading curtains, fire curtains and so on.

电动窗帘系列：电动开合帘、电动卷帘、电动垂直帘、电动罗马帘、电动百叶帘、电动百褶帘、电动折叠式天棚帘、电动FCS天棚帘、电动FSS天棚帘、电动FTS天棚帘、电动舞台拉幕、电动舞台升降幕、电动投影幕，以及遮光窗帘，防火窗帘等。

Company founded large screen projection department,special deal in sale and technical service of front surface optical reflective mirror.at the same time,company provides steel shelves,metal shell with projection-tv by our customers.the firm makes project for large sereen projection also.

公司下设大屏幕投影事业部，专门从事前表面反射镜的销售和技术服务。同时向广大客户提供弘森牌背投反射机架、背投一体机箱，并承接各种大屏幕背投拼接显示工程。

Then you can display the content of your PC on the projection screen wirelessly.

然后可以展示你的内容，你的 PC 机在投影屏幕上是用无线通信。

The camouflaged skin is the perfect projection screen for what we fear, love and believe.

经过伪装的外壳是一面完美的屏幕，屏幕上投射出我们的恐惧、爱与信仰。

JK JingKe international company produces International JK International JK Products brand screen as many as 21 varieties, in the international arena is one of the largest product manufacturers, the screen from the popularity of science and technology, institutions, associations, family, theater; as well as the most senior international Chamber to launch site used for self-projection hard screen.

国际JK品牌的银幕多达二十一个品种，在国际上实属最多产品厂家之一，银幕从普及科技、机关、社团、家庭、影院；以至最高级国际会议厅到发射基地用的背投硬幕一应俱全。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。