| 单词 | acoustic microscope |
| 释义 | > as lemmasacoustic microscope acoustic microscope n. (a) a phonograph with respect to its power of producing clearly audible sounds from only small variations in a surface (rare); (b) a microscope which uses reflected sound waves to produce an image of the magnified object. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > microscope > other microscopes lucernal microscope1743 gas microscope1833 oxyhydrogen microscope1839 binocular1871 orthostereoscope1892 pseudostereoscope1892 ultramicroscope1906 acoustic microscope1910 hodoscope1915 optical microscope1928 light microscope1934 comparison microscope1940 phase microscope1946 stereomicroscope1962 1910 Amer. Homes & Gardens Dec. p. iv/2 The commission has greatly enlarged the field of work of the phonograph, and has made of the instrument an indispensable inventory of acoustic science. In this respect the phonograph serves as an ‘acoustic microscope’, so to speak, for small sections of the records on the plate are magnified a thousandfold, and so form an invaluable comparative material for the theory of the formation of sound and speech and noises. 1966 Microwave Res. Feb. 9 We have been using these analytical methods to investigate focussing of acoustic beams. Possible applications are for an acoustic microscope, which could have higher resolution than a conventional light instrument, and for a very high intensity acoustic probe. 2004 Proc. National Acad. Sci. U.S.A. 101 15912/1 The transducer of the phase-sensitive acoustic microscope..converts the signal reflected from the sample to an electromagnetic signal. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。