保护海洋科技知识？英文双语对照

　　地球上的陆地广布四方、彼此隔开，而海水则是四通八达、连成一体，这一连片不断的水体便构成了世界海洋。世界海洋是以大洋为主体，与围绕它所附属的大海共同组成。全世界共有四大洋：太平洋、大西洋、印度洋和北冰洋。主要的大海共有54个之多，如地中海、加勒比海、波罗的海、红海、南海等等。现在，就让我们对世界的四大洋作一番巡视吧!

　　太平洋

　　太平洋是世界海洋中面积最阔、深度最大、边缘海和岛屿最多的大洋。据较多资料介绍，最早是由西班牙探险家巴斯科发现并命名的，“太平”一词即“和平”之意。16世纪，西班牙的航海学家麦哲伦从大西洋经麦哲伦海峡进入太平洋并到达菲律宾，航行其间，天气晴朗，风平浪静，于是也把这一海域不约而同地取名为“太平洋”。太平洋位于亚洲、大洋洲、美洲和南极洲之间，北端的白令海海峡与北冰洋相连，南至南极洲，并与大西洋和印度洋连成环绕南极大陆的水域。太平洋南北的最大长度约15900千米，东西最大宽度约为109900千米。总面积17868万平方千米，占地球表面积的三分之一，是世界海洋面积的二分之一。平均深度3957米，最大深度11034米。全世界有6条万米以上的海沟全部集中在太平洋。太平洋海水容量为70710万立方千米，均居世界大洋之首。太平洋中蕴藏着非常丰富的资源，尤其是渔业水产和矿产资源。其渔获量，以及多金属结核的储量和品位均居世界各大洋之首。

　　大西洋

　　大西洋是世界第二大洋。位于南、北美洲和欧洲、非洲、南极洲之间，呈南北走向，似“s”形的洋带。南北长大约1.5万千米，东西窄，其最大宽度为2800千米。总面积约为9166万平方千米，比太平洋面积的一半稍多一点。平均深度3626米，最深处达9219米，位于波多黎各海沟处。海洋资源丰富，盛产鱼类，捕获量约占世界的五分之一以上。大西洋的海运特别发达，东、西分别经苏伊士运河和巴拿马运河沟通印度洋和太平洋，其货运量约占世界货运总量的三分之二以上。

　　印度洋

　　印度洋是世界第三大洋。位于亚洲、大洋洲、非洲和南极洲之间。面积约为7617万平方千米，平均深度3397米，最大深度的爪哇海沟达7450米。洋底中部有大致呈南北向的海岭。大部处于热带，水面平均温度20℃一27℃。其边缘海红海是世界上含盐量最高的海域。

　　海洋资源以石油最丰富，波斯湾是世界海底石油最大的产区。印度洋是世界最早的航海中心，其航道是世界上最早被发现和开发的，是连接非洲、亚洲和大洋洲的重要通道。海洋货运量约占世界的10%以上，其中石油运输居于首位。

　　北冰洋

　　北冰洋位于地球的最北面，大致以此北极为中心，介于亚洲、欧洲和北美洲北岸之间，是四大洋中面积和体积最小、深度最浅的大洋。面积约为1479万平方千米，仅占世界大洋面积3.6%;体积1698万立方千米，仅占世界大洋体积的1.2%;平均深度1300米，仅为世界大洋平均深度的三分之一，最大深度也只有5449米。北冰洋又是四大洋中温度最低的寒带洋，终年积雪，千里冰封，覆盖于洋面的坚实冰层足有3～4米厚。每当这里的海水向南流进大西洋时，随时随处可见一簇簇巨大的冰山随波飘浮，逐流而去，就像是一些可怕的庞然怪物，给人类的航运事业带来了一定的威胁。而且，北冰洋还有两大奇观。第一大奇观：就是那里一年中几乎一半的时间，连续暗无天日，恰如漫漫长夜难见阳光;而另一半日子，则多为阳光普照，只有白昼而无黑夜。由于这样，北冰洋上的一昼一夜，仿佛是一天而不是一年。此外，置身大洋中，常常可见北极天空的极光现象，飘忽不定、变幻无穷、五彩缤纷，甚是艳丽。这是北冰洋上第二大奇观。

All directions of tellurian land wide cloth, each other are separated, and seawater is extend in all directions, become an organic whole repeatedly, this in succession piece continual water system formed world ocean. World ocean is give priority to body with ocean, with around it the sea with accessory place is comprised jointly. The whole world shares 4 ocean: Pacific Ocean, Atlantic, the indian ocean and the Arctic Ocean. Main sea shares 54, if Mediterranean, Caribbean, Baltic, the Red Sea, Nanhai is waited a moment. Now, let us be made one time to the 4 ocean of the world perambulatory!

Pacific Ocean

Pacific Ocean is the area in world ocean sea of the biggest, brim mixes the broadest, deepness the ocean with most islands. Introduce according to more material, the earliest Basike discovers and name by Spanish explorer, "Peace and tranquility " one word namely " peace " meaning. 16 centuries, nautical Mai Zhelun of Spain learning the home enters Pacific Ocean via Mai Zhelun channel from Atlantic and arrive Philippine, voyage meantime, weather is sunny, calm, also happen to coincide this one maritime space then ground entitle " Pacific Ocean " . Pacific Ocean is located in between Asia, Oceanian, America and Antarctica, the channel of the Bering Sea that north carries and the Arctic Ocean are linked together, antarctica comes south, circle the water area of antarctic mainland with Atlantic and Lian Chenghuan of the indian ocean. The biggest length of Pacific Ocean north and south makes an appointment with 15900 kilometre, the biggest width is the thing about 109900 kilometre. Gross area kilometre of one hundred and seventy-eight million six hundred and eighty thousand square, 1/3 what cover an area of ball surface to accumulate, 1/2 be world marine area. Average deepness 3957 meters, the biggest deepness 11034 meters. The whole world has 6 trench of 10 thousand meters of above to be centered in Pacific Ocean entirely. Capacity of Pacific Ocean seawater is 707.1 million cubic kilometre, first what all reside world ocean. The contain in Pacific Ocean is worn very substantial natural resources, especially piscatorial aquatic product and mineral products resource. Its catch, and first what reserves of much metal tubercular and grade all reside world each ocean.

Atlantic

Atlantic is the 2nd ocean of world. Be located in south, between North America and Europe, Africa, Antarctica, show trend of north and south, be like " S " the vast area of form. North and south grows about 15 thousand kilometre, the thing is narrow, its are the biggest width is 2800 kilometre. Gross area is kilometre of 91.66 million square about, the half that compares Pacific Ocean area is a bit bit more. Average deepness 3626 meters, most in amount to 9219 meters, be located in place of Puerto Rico trench. Ocean is resourceful, teem with fish, capture the 1/5 above that the quantity takes the world about. Atlantic marine and special develop, east, the indian ocean and Pacific Ocean are communicated via the Suez Canal and the Big Ditch respectively on the west, its goods volume occupies the 2/3 above of world freight gross about.

The indian ocean

The indian ocean is the 3rd ocean of world. Be located in between Asia, Oceanian, Africa and Antarctica. The area is kilometre of 76.17 million square about, average deepness 3397 meters, the Java trench of the biggest deepness amounts to 7450 meters. Vast base is mid have show north and south roughly to Hai Ling. Greater part is in tropics, surface is average temperature 20 ℃ one 27 ℃ . The Red Sea of its brim sea is salt is contained to measure highest maritime space on the world.

Marine resource with oil the richest, persian Gulf is the yield with world marine the oldest oil area. The indian ocean is the world's earliest nautical center, its channel is the world go up to be mixed the earliest to develop by discovery, it is join Africa, Asia and Oceanian main thoroughfare. Marine goods volume occupies the 10% above of the world about, among them oil is carried be on the first place.

The Arctic Ocean

The Arctic Ocean is located in the earth most in, it is a center with this arctic roughly, between interpose Yu Yazhou, Europe and bank of north of the North American, it is the area in 4 ocean and bulk the silver dollar with the smallest, the lowest deepness. The area is kilometre of 14.79 million square about, constitute bulk of 3.6%; of world ocean area only 16.98 million cubic kilometre, the 1.2%; average deepness that constitutes world ocean bulk only 1300 meters, it is world ocean only 1/3 of average deepness, the biggest deepness also has 5449 meters only. The Arctic Ocean is the frigid zone ocean of lowest of the temperature in 4 ocean, firn of all the year round, a thousand li is icebound, the solid ice layer that covers Yu Yang range is sufficient have 3 ～ 4 Mi Hou. Every time when the inpour of briny Xiang Na here is Atlantic, at any time the iceberg with visible tuft tremendous bunch follows everywhere wave is float, chase flow and go, resemble the Pang Ran an eccentric person that is a few dreariness, the shipping career that gives the mankind brought particular menace. And, the Arctic Ocean still has two great marvellous spectacle. The biggest marvellous spectacle: Namely over there in a year almost the time of the half, successive complete darkness, if overflow long night,just see sunshine; hard and day of other in part, it is sunshine illuminate all things more, have daytime only and do not have a night. As a result of such, the one day on the Arctic Ocean overnight, asing if is a day is not a year. In addition, in place oneself ocean, often see the auroral phenomenon of arctic sky, rove, irregular change is boundless, colourful, it is gorgeous very. This is the 2nd great marvellous spectacle.