您要查找的是不是：
- Secchi Disk Depth 透明度
- Slowly lower the secchi disk into the water until it disappears, and note the depth. 一个黑白相间既圆板;水平放入水底;慢慢下降;直到完全睇唔见;立即记下水深.
- Evaluation of Secchi Disk Transparency by Using Field Spectral Measurements in Nanhu Lake, Changchun 长春南湖水体透明度高光谱定量模型研究
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- In video disk, a consecutive sequence of frames. 在视频光盘上，一种连续的帧序列。
- An identification record for a tape or disk file. 磁带或磁盘文件的标识说明记录。
- The computer disk is sent in a sealed container. 计算机软盘装在密封的盒里寄出。
- I was out of my depth in that class. 在那个班里我跟不上。
- I have no disk that may interest you. 我没有一张唱片能引起你的兴趣。
- There are several sectors unusable in this disk. 这张磁盘有几个扇区坏了。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。
- The depth of the universe is immeasurable. 宇宙无限深广。
- secchi disk transparency 透明度
- Have you recorded the data in disk? 你已把那些数据存储到磁盘上了吗？
- You can't copy your file with this disk; it's full. 你不能用这张磁盘拷文件，这张盘满了。
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- Secchi disk 西奇盘
- The depth of water in this river is half that in that river. 这条河河水的深度是那条河河水深度的一半。
- A flat disk used as an ornament. 银币饰一种用作装饰的平盘
