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- Effective density in loose sandy sediment and the bottom reflection loss 松散沉积物的有效密度及其声压反射损失
- The ocean bottom is made up of smooth plains. 洋底由平坦的平原构成。
- Because the ocean surface is so smooth, people may think that the ocean bottom is made up of smooth plains. 由于大洋表面很平坦，人们可能会认为大洋的底部是由平坦的平原构成的。
- Many high-gain stations will be deployed on land and ocean bottom. 在陆地和洋底要设置许多高增益的台站。
- In recent years, ocean bottom seismic (OBS) develops quickly. 摘要近几年，OBS（海底地震仪）勘探技术得到了较大的发展和完善。
- People many think that the ocean bottom is made up of smooth plains. 人们可能会认为,大洋的底部是由平坦的平原构成的。
- We sometimes tend to think that the ocean bottom is made up of smooth plains. 我们往往误以为海底也由平坦的平原构成。
- They have high reflection losses and isolates degree, lower insertion loss. 具有高的反射损耗和隔离度，较低的插入损耗。
- Because the ocean surface is so smooth,we sometimes tend to think that the ocean bottom is made up of smooth plains. 由于洋面很平坦，我们往往以为洋底也由平坦的平原构成。
- Uplift or depression of the earth's crust, affecting large areas of land or ocean bottom. 造陆作用对大面积地和海底产生影响的地壳的升起或下陷
- Findings show that the reflection loss band width of 60%vol. magnetic fly-ash hollow cenosphere composite is 6.6GHz above 5dB. 实验结果表明;60%25(体积分数)的富铁空心微珠的吸波性能;在2~18GHz测试频率范围内>5dB的有效频带宽度达到6.;6GHz。
- Because the ocean surface is so smooth,people may think that the ocean bottom is made up of smooth plains. 由于大洋表面很平坦，人们可能会认为大洋的底部是由平坦的平原构成的。
- The total volume of sediments carpeting the ocean bottom has turned out to be surprisingly small. 覆盖海底的沉积物的总体积显得惊人地微小。
- When the conductance of sound radiation for IDT is equal to the output conductance for the matching network, the reflection loss and transmission loss can be reduced. 叉指换能器的声辐射电导等于匹配网络输出端电导时，可以减小反射损耗和传输损耗。
- Found worldwide, polychaetes are important for turning over sediment on the ocean bottom. 遍布全世界，多毛类在翻转海底沈积物方面有重要作用。
- The problems of high reflection loss and low absorption loss,poor dispersion and poor compatibility of the present fillers are discussed,and the solution is put forward. 针对目前该类型填料高反射低吸收、分散性和亲和性等方面的不足,提出了解决方案。
- The problems of high reflection loss and low absorption loss, poor dispersion and poor compatibility of the present fillers are discussed, and the solution is put forward. 针对目前该类型填料高反射低吸收、分散性和亲和性等方面的不足，提出了解决方案。
- Of the tens of thousands of ships on the ocean bottom, only a handful, less than 1 percent, contain negotiable treasure, such as gold and jewels. 在数以万计的海底沉船中，只有极少数，不到百分之一的沉船上有可流通的财富，如黄金和珠宝。
- In the simple case just discussed, the ocean bottom was sloping uniformly away from the beach; obviously, this is not always the case. 在刚讨论过的简单例子中,海洋均匀地从海滩向外倾斜;很明显,情况并非总是如此。
- A video, for example, shows organisms that live near the ocean bottom where volcanic activity heats the water to hundreds of degrees. 例如，录像显示一些有机体生活在海洋底、火山火力将那里的水温加热至几百度附近。
