1、The attenuator is used to reduce the amplitude of a signal.
减弱器用于降低信号的振幅。
2、You can adjust the volume using the attenuator on the amplifier.
你可以使用放大器上的衰减器来调节音量。
SHOW FULL COLUMNS FROM `tool_word` [ RunTime:0.001315s ]
SELECT `id`,`word`,`british`,`american`,`jbjs`,`wlsy`,`cx`,`lz` FROM `tool_word` WHERE `switch` = 1 AND `id` = 6694 LIMIT 1 [ RunTime:0.000313s ]
UPDATE `tool_word` SET `views` = `views` + 1 WHERE `id` = 6694 [ RunTime:0.001643s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` IN (85948,30362,25491,92276,92966,68934,46489,379,34629,58638,318,33856,33152,52505,44510,25662,1646,45120,63657,4596,2348,89477,10640,48928,3877,99015,19648,73943,58563,28660) AND `switch` = 1 ORDER BY `id` DESC [ RunTime:0.000860s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` < 6694 AND `switch` = 1 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000324s ]
SELECT `id`,`word` FROM `tool_word` WHERE `id` > 6694 AND `switch` = 1 ORDER BY `id` LIMIT 1 [ RunTime:0.000496s ]