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- under water target recognition 水下目标识别
- Under water, famine; under snow, bread. [谚]洪水造饥馑，瑞雪兆丰年。
- Several fields are under water after the heavy rain. 大雨过後有几片耕地被淹。
- water target recognition 水上目标识别
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
- Most amphibians live near or under water. 大部分的两栖动物住在靠近水边或水底。
- The fields were under water after the heavy rain. 大雨后田野为水所淹。
- Target recognition rates, under the three speeds, increase by about 20% in evolutional generation (EG) ranges, of SGGA, from 5 to 10 and from 10 to 15. 随机梯度遗传算法进化代数从5增加到10以及从10增加到巧时，三个航速下的目标识别率按照接近20%25的比例增加。
- The boy wanted to duck under water. 这个男孩想潜入水中。
- I will time when you stay under water. 我来计你呆在水下的时间。
- It will take root in the mud under water. 在水底的淤泥中扎根生长。
- Under water, famine, under snow, bread. 洪水造饥馑，瑞雪兆丰年。
- He learns to breathe out under water. 他学习在水下吐气。
- The boy wanted to duck under water . 这个男孩想潜入水中。
- Coastlines will disappear under water. 海岸线将消失在海水之下。
- Background subtraction should be solved at first in intelligence surveillance and auto target recognition. 背景消除是智能视觉监控和自动目标识别与跟踪首先要解决的问题。
- What about structures that are partly under water? 部分结构在水下的建筑怎么说?
- Target recognition is an important research focus of aerial defence in modern times. 空中目标识别是现代防空作战的重要研究内容.
- How Do Frogs Breathe Under Water? 青蛙在水下呼吸的秘密是什么?
- The segmentation of SAR target chip image is an important process for target recognition based on SAR image. SAR目标切片图像分割是基于SAR图像目标识别的一个重要步骤。
