Changing Chen clan destiny is a Chen Baxian, his family background is very low, is advanced unceasingly depending on building a military exploit self position, has founded Chen Chao ultimately.
改变陈氏家族命运的是陈霸先，他出身低微，靠建立军功不断地提升自己的地位，最终建立了陈朝。
Underwater acoustic technology is an effective tool to exploit ocean resources, and plays an important role in military.
水声技术是海洋资源开发的有效手段，在军事上也具有重要作用。
Underwater acoustic technology is an effective tool to exploit ocean resources, and plays an important role in military.
水声技术是海洋资源开发的有效手段，在军事上也具有重要作用。
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