English-Chinese electricity dictionary (电气专业词典). 2013.
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acoustical hologram — acoustical hologram, a picture produced by acoustical holography … Useful english dictionary
acoustical holography — acoustical holography, holography that uses sound waves instead of laser light to produce a three dimensional picture: »Hence, a hologram can be recorded with sound waves and then reconstructed with light. This technique is called acoustical… … Useful english dictionary
son|o|graph — «SON uh graf, grahf», noun. 1. a) a device for producing a graphic representation of sounds. b) the representation, usually in the form of phonetic characters, produced by this device. 2. »There is a sonograph…showing a six month old human fetus… … Useful english dictionary
hol|o|phone — «HOL uh fohn», noun. a device for recording an acoustical hologram: »A holophone records patterns in time in a manner analogous to the way an optical hologram records patterns in space (New Scientist and Science Journal) … Useful english dictionary