- 相關推薦
新東方背誦50篇6-10
06 Television
Television-----the most pervasive and persuasive of modern technologies, marked by rapid change and growth-is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world. It is an electronic revolution of sorts, made possible by the marriage of television and computer technologies.
The word "television", derived from its Greek (tele: distant) and Latin (visio: sight) roots, can literally be interpreted as sight from a distance. Very simply put, it works in this way: through a sophisticated system of electronics, television provides the capability of converting an image (focused on a special photoconductive plate within a camera) into electronic impulses, which can be sent through a wire or cable. These impulses, when fed into a receiver (television set), can then be electronically reconstituted into that same image.
Television is more than just an electronic system, however. It is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings.
The field of television can be divided into two categories determined by its means of transmission. First, there is broadcast television, which reaches the masses through broad-based airwave transmission of television signals. Second, ther
【新東方背誦6-10】相關文章：
背誦的作文06-12
背誦大賽作文10-13
背誦課文作文09-29
新東方體會的作文07-25
新東方的勵志名言10-26
新東方英語培訓心得11-09
中秋節背誦古詩09-09
新東方實習報告三篇07-28
新東方小學生評語11-25
背誦_關于背書的初中日記02-15