“visual range”的概念、定义、翻译、参考文献-科学参考

单词	visual range
释义	visual range [`vizh·ǝ·wǝl `rānj] ^METEOROLOGY The distance, under daylight conditions, at which the apparent contrast between a specified type of target and its background becomes just equal to the threshold contrast of an observer.
随便看	communication bus communication cable communication channel communication countermeasure communication disorder communication engineering communication link communication protocol communication receiver communications communications control unit communications intelligence communications language communications network derelict land derepression derichment derivation derivative derivative action derivative compensation derivative differential thermal analysis derivative network derivative polarography derivative rock

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