“boom”的概念、定义、翻译、参考文献-科学参考

单词	boom
释义	boom [büm] ^{COMMUNICATIONS} A movable mechanical support, usually in a television or motion picture studio, to suspend a microphone within range of the performers but above the field of view of the camera. ^ENGINEERING 1. A row of joined floating timbers that extend across a river or enclose an area of water for the purpose of keeping saw logs together. 2. A temporary floating barrier launched on a body of water to contain material, for example, an oil spill. 3. A structure consisting of joined floating logs placed in a stream to retard the flow. ^{MECHANICAL ENGINEERING} A movable steel arm installed on certain types of cranes or derricks to support hoisting lines that must carry loads. ^{NAVAL ARCHITECTURE} 1. A spar attached to a mast or kingpost of a ship carrying cargo-hoisting gear. 2. A spar upon which the lower side of a sail is bent.
随便看	altitude acclimatization altitude azimuth altitude-azimuth mounting altitude chamber altitude circle altitude-contour altitude curve altitude datum altitude delay altitude difference altitude hole altitude intercept altitude reservation altitude sickness altitude signal altitude tints altitude valve altitude wind tunnel altitudinal vegetation zone ALT key alto altocumulus cloud altostratus cloud altricial ALU

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