“Fahrenheit's hydrometer”的概念、定义、翻译、参考文献-科学参考

单词	Fahrenheit's hydrometer
释义	Fahrenheit's hydrometer [`far·ǝn´hīts hī`dräm·ǝd·ǝr] ^ENGINEERING A type of hydrometer which carries a pan at its upper end in which weights are placed; the relative density of a liquid is measured by determining the weights necessary to sink the instrument to a fixed mark, first in water and then in the liquid being studied.
随便看	international ellipsoid of reference international fixed public radio communications service International Geophysical Year international gravity formula international henry International Ice Patrol international index numbers international Morse code international nautical mile international ohm International Polar Year international practical temperature scale International Quiet Sun Year international radio silence international rules of the road international signal code international spheroid international standard annealed copper international synoptic code international system of electrical units International System of Units international table British thermal unit international table calorie international telecommunications service international telegraph alphabet

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