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U 开头的英语单词（共 59,943 个）
unidirectional dirrerential intensity
[物] 单向微分强度
unidirectional element
[计] 单向元件
unidirectional engine
单转向发动机
unidirectional error code
[计] 单向错误码
unidirectional fabric
单向纤维织物
unidirectional fault
单向故障
unidirectional fibre
单向纤维
unidirectional filament
同向长纤维（制造玻璃纤维艇用）
unidirectional file allocation
[计] 单向文件分朽
unidirectional flow
单向水流;直流
unidirectional flow ceiling module
（洁净室用）单向流吸顶模组
unidirectional flow wall module
（洁净室用）单向流墙上模组
unidirectional flux
单向通量
unidirectional force
单向[作用]力
unidirectional freezing
单〔方〕向冷凝
unidirectional heart block
[医] 单向性心传导阻滞
unidirectional HVDC system
向输电高压直流系统
unidirectional hydrophone
[网络] 单向水听器
unidirectional hydrophone array
单向水中听器阵列
unidirectional integral flux
[物] 单向积分通量