发起提问 · 2022-06-01 19:08 Countless billions of minute sea creatures and plants lived and sank to the sea bed.

发起提问 · 2022-05-31 21:56 Scattered in these offshore waters are more than 30 sedimentation basins, with a total area of nearly 700,000 sq km.

发起提问 · 2022-05-31 21:05 More than 160 bays are spread along China's coasts, plus the deepwater stretches of coast with a total length of several hundred

发起提问 · 2022-05-30 16:18 China boasts a mainland coastline of more than 18,000 km. There are more than 5,000 islands in China's territorial waters, each

发起提问 · 2022-05-30 15:35 中国作为一个发展中的沿海大国，国民经济要持续发展，必须把海洋的开发和保护作为一项长期的战略任务。

发起提问 · 2022-05-30 13:26 The amount of freshwater resources per capita is only one-fourth the world average.

发起提问 · 2022-05-30 11:32 However, the land area per capita is only 0.008 sq km, much lower than the world's average of 0.3 sq km per capita.

发起提问 · 2022-05-29 15:29 Because it burns well,it is used as fuel and in some ways it is superior to coal in this respect.

发起提问 · 2022-05-29 15:10 It has changed the methods of warfare on land and sea.

发起提问 · 2022-05-29 13:33 This is the oil that has changed the life of the common man.