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1·AIM: to develop the teaching video compact disc (VCD) Diabetic Retinopathy so as to improve the traditional ophthalmic teaching mode.

目的：研制《糖尿病性视网膜病变》教学VCD，改进传统教学模式。

2·Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.

特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。

3·New products do not have to be out-of-the-blue new (like the video-cassette recorder or the compact disc).

所谓新产品并不一定非要是那种“前无古人”的产品(比如盒式磁带录像机，或CD光盘)。

4·These are published on audio tape, compact disc, or on video.

这些读物以录音带、CD或录像带的形式出版。

5·The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .

声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。