Ultra Low Frequency (300-3000 Hz; 1,000-100 km)超低频(300-3000赫兹1,000-100公里) Ultra Low Frequency超低频 United Leukodystrophy Foundation曼联Leukodystrophy基础 Unified Look and Feel统一的外观和感觉 Unknown Life Form未知的生命形式 Ultra Large Format超大的格式 Un-Lock then Firing (STRPN transition)Un-Lock然后发射(STRPN转换) Unit Load Former (machine which loads cases and shrinkwraps them together)单位负荷前(机负荷案例和shrinkwraps他们聚在一起) Ultra-Low-FlushUltra-Low-Flush Ukrainian Legal Foundation乌克兰的法律基础 Ultra-Low-Floor (tramway)Ultra-Low-Floor(工具) Ultra-Low Floor超低地板 Unidentified Life Forecast不明身份的生命的预测 Underspecified Logical FormUnderspecified逻辑形式 Ultra Large Female超大女性