哨声停止
hoot stop
热骚动杂音
thermal agitation noise
热杂音
thermal noise
人为杂音
man-made electrical noise
柔和杂音
soft accentuated
三尖瓣杂音
tricuspid accentuated
散弹杂音
shot noise
散乱杂音
random noise
散乱杂音产生器
random-noise generator
沙漏样杂音
hour-glass accentuated
声纳背景杂音
sonar background noise
声频杂音
audio-frequency noise
哨
chirp; sentry post; whistle
sentinel
哨兵
piquet; sentinel
picket; picquet; watchman
哨兵线
cordon; picket line
哨房
watchhouse
哨呋罗喹
nifuroquine
哨呋齐特
nifuroxazide
哨舰
guardship
哨酸试验
nitric acid tests