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神秘的海洋海洋占地球面积的2/3,并且是地球上许多生物的生存之地。然而令人遗憾的是,人类享有这片被水淹没的巨大生境的自由度却是有限的。戴有水下呼吸器的潜水员只能触及海洋的表层,即只能下潜50米——从海面到洋底的0.23%处,而潜水器能把人载送到洋底最深处的一半略深,机器人探测器和摄影机则能够潜得比这更深。
The mystical oceans and oceans account for two-thirds of the Earth’s surface and are places where many living things on Earth can survive. However, it is regrettable that the degree of freedom for mankind to enjoy this huge flooded habitat is limited. Divers with scuba diving can only reach the surface of the ocean, which can only dive 50 meters - 0.23% from the sea to the ocean floor, while the submersible can carry people half way to the deepest part of the ocean floor Deep, robotic probes and video cameras can be deeper than this.