“decibels above 1 milliwatt”的概念、定义、翻译、参考文献-科学参考

单词	decibels above 1 milliwatt
释义	decibels above 1 milliwatt [`des·ǝ·bǝlz ǝ¦bǝv ¦wǝn `mil·i´wät] ^ELECTRICITY A measure of power equal to 10 times the common logarithm of the ratio of a given power to 0.001 watt; a negative value, such as -2.7 dBm, means decibels below 1 milliwatt. Abbreviated dBm.
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