奔月途中，宇航员们向地球播放了一段彩色电视节目。
Halfway to the moon, the astronauts broadcast a color television program to Earth.
最新的卫星可以同时传送一千份电话和一套彩色电视节目。
The newest satellite can carry a thousand telephone conversations and a colour TV programme simultaneously.
约翰·洛吉·贝尔德于1928年制造出第一台彩色电视机，但直到1938年第一个彩色电视节目才播出。
John Logie Braid constructed the first colour TV in 1928, but it was not until 1938 that the first colour TV programme was broadcast.
他于1939年获准的彩电接收机线路的专利一直延续到1971年，因为在当时这项专利期内没有彩色电视节目可以接收，因此专利无望被采用。
His 1939 patent for color TV receiver circuitry was extended until 1971 because for most of the patent 's normal life there was no colour TV to receive and thus no hope of reward for the invention.
他于1939年获准的彩电接收机线路的专利一直延续到1971年，因为在当时这项专利期内没有彩色电视节目可以接收，因此专利无望被采用。
His 1939 patent for color TV receiver circuitry was extended until 1971 because for most of the patent 's normal life there was no colour TV to receive and thus no hope of reward for the invention.
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