单词	skip zone
释义	skip zone skip zone n (Broadcasting) a region surrounding a broadcasting station that cannot receive transmissions either directly or by reflection off the ionosphere skip zone skip zone [′skip ‚zōn] (acoustics) A region in the air surrounding a source of sound in which no sound is heard, although the sound becomes audible at greater distances. Also known as zone of silence. (communications) The area between the outer limit of reception of radio high-frequency ground waves and the inner limit of reception of sky waves, where no signal is received. skip zone A message transmitted from transmitter X is heard at receiver Z, but not at receiver Y.The zone or dead area in a geographic region, outside the ground-wave radius, in which Flayer signals are not returned to the earth. The outer edge of the skip zone is at the minimum distance at which the sky-wave signals are received; the inner edge is at the maximum limit of the reception of the ground-wave signals. MedicalSeedead space
随便看	telephone boxes telephone bug telephone cable telephone call telephone calls telephone card telephone card collectors association telephone carrier telephone carrier current telephone & cell phone telephone central office telephone channel telephone circuit telephone cleansing australia telephone collectors international telephone communication telephone communications system telephone companies telephone company telephone company of central florida telephone conference telephone consultation telephone consults telephone consumer protection act telephone consumer protection act of 1991

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