基础释义
例句
英英词典释义

福克斯词典 \ 英汉词典 \

db是什么意思？

db

decibel 分贝；

相关单词 ADB DBA DBAM dbase DBC DBCS DBDA DBF dbj DBK DBLSPACE

例句

DB: I could stop the car, pull hand brake. 分贝: 我可以停止汽车, 拉手煞车.
The PA shows maximum power gain and 24.5 dBm OP 1 dB with 36 % power - added efficiency ( PAE ). 功率放大器的最大功率增益为26.5dB,输出1dB压缩点为24.5dBm,功率附加效率 ( PAE ) 为36%.
A DB - 624 quartz capillary column and a FID were used. 采用气相色谱法, DB -624石英毛细管柱,氢火焰离子化检测器(FID),程序升温,检测器温度为300℃.
B & W products have achieved CE 、 UL 、 DB 、 ROSH and other international approvals. 我公司的产品已取得CE、UL、DB、ROSH等国际认证.
DB can be replaced while the furnace is at operating temperature. 当熔炉内温度在操作范围内时DB型硅碳棒可以被替换.

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英英词典释义

Noun
1. a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

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