| Ultra low volume (ULV) spray |
超低容量施藥 |
| Ultrasonic |
超聲波 |
| Ultrasonic thawing |
超聲波解凍 |
| ultrasonic water level meter |
超音波水位計 |
| Ultrasonic wave |
超聲波 |
| Ultrastructural study |
超微結構研究 |
| Ultrastructure |
超微結構 |
| Ultraviolet ray |
紫外線 |
| Ulva |
石純 |
| umeboshi / Japanese salt plums / salt plums / fermented plums |
日本梅干 |
| unacceptable risk |
不可接受風險 |
| underground cutoff wall |
地下截水牆 |
| understory plants |
下層林木 |
| Underwater biology |
水中生物學 |
| Underwater cable |
水下電纜 |
| Underwater television |
水下電視 |
| undulant jump |
波狀水躍 |
| uniform flow |
等速流 |
| uniform shelterwood system |
大面積傘伐作業 |
| Uniform supervision in agricultural finance |
農業金融監理一元化 |
