| 多媒体教学中投影机的选用原则 |
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| 引用本文： | 李会民,殷宗桃,郝建.多媒体教学中投影机的选用原则[J].石家庄职业技术学院学报,2005,17(4):74-76. |
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| 作者姓名： | 李会民 殷宗桃 郝建 |
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| 作者单位： | 石家庄职业技术学院,实训技术中心,河北,石家庄,050081 |
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| 摘 要： | 投影机以大屏幕、高清晰度等特点，成为多媒体教学中重要的显示设备。投影机在教学过程中要达到理想的投影效果，除要正确选择高效能投影机外，还要与投影幕、外接设备形成一个有机的整体，并且在使用过程中严格按照规程操作。详细叙述了投影机原理、选用、操作的知识和方法。
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| 关 键 词： | 投影机 照度 分辨率 多媒体 液晶板 数码光输 |
| 文章编号： | 1009-4873（2005）04-0074-03 |
| 收稿时间： | 2005-04-20 |
| 修稿时间： | 2005年4月20日 |
Selection principle of the projector in multimedia teaching |
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| LI Hui-min,YIN Zong-tao,HAO Jian.Selection principle of the projector in multimedia teaching[J].Journal of Shijiazhuang Vocational Technology Institute,2005,17(4):74-76. |
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| Authors: | LI Hui-min YIN Zong-tao HAO Jian |
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| Abstract: | The projector has already become an important display device in multimedia teaching with such characteristics as its large screen, high definition, etc. To reach the ideal result in the course of teaching, first we should choose the projector with high capacity and efficiency,at the same time, form an organic whole with the projection curtain,outer equipment, and operate according to the rules strictly in the course of application. Based on the practical exploration,an introduction is made about the principle of the projector,method for selection,and operation skills. |
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| Keywords: | projector intensity of illumination resolution ratio multimedia liquid crystal board digital light transmission |
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