| 单词 | mw |
| 释义 | > as lemmasMW MW n. Broadcasting = medium wave n. at medium n. and adj. Compounds 2. ΘΚΠ society > communication > telecommunication > radio communications > [noun] > radio wave > length of > specific short wave1839 medium wave1928 MW1938 long wave1965 1938 Wireless World 1 Sept. 2/2 (advt.) (heading) On M.W. and L.W. 1975 Pract. Wireless Jan. 800 Such receivers usually have an intermediate frequency of around 470kHz, which lies between these LW and MW bands. 1998 Independent 7 Dec. ii. 17/4 Radio 5 Live (693, 909kHz MW). 6.00 Breakfast. 9.00 Nicky Campbell. MW MW n. Chemistry molecular weight. ΘΚΠ the world > matter > chemistry > atomic chemistry > [noun] > molecules > molecular weight molecular weight1860 MW1939 1939 L. T. Hallett in W. W. Scott Standard Methods Chem. Anal. (ed. 5) II. 2536 M.W. = Kx TxW/ Δp. 1997 Mod. Paint & Coatings May 36/1 One can also obtain higher hardness films by blending these higher MW ultra-low monol PPG polyols with lower molecular weight glycols. MW MW n. megawatt(s). ΚΠ 1947 J. V. Lebacqz & M. G. White in L. N. Ridenour Radar Syst. Engin. x. 373 Successful hard-tube pulsers have been made with power outputs up to 3 or 4 Mw. 1962 Newnes Conc. Encycl. Electr. Engin. 324/1 Fuel-fired steam power stations..are now built for outputs up to 1,000 MW or more. 1990 B. Keepin in J. Leggett Global Warming xiii. 299 This means, on average, a new nuclear plant (of 1,000 MW capacity) must be built every two-and-a-half days from now until 2025. < as lemmas |
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