Answer: Earthly Shanghai is foreign most in for - 11034 meters, the mankind lands Mount Everest up to now have more than 5000 people, enter outer space have more than 500 person-time, but enter 10 thousand meters deep-sea under have 3 people only.
Can say, the human understanding to aerospace degree, even outclass is right deep-sea understanding, the watch area that the earth has 71% is marine, average deepness exceeds 3000 meters, but the mankind is right deep-sea the world under, what know however is very little.
1960, pi Kade of · of Swiss physicist elegant gram and American navy Walsh, take " Liyasite date " deep-sea submersible, submergence arrives trench of Ma Liya accept, deepness of the biggest submergence is 10916 meters.
2012, direct Zhanmusi Kameilong greatly by Hollywood contributive, australian scientist design makes " deep-sea challenge date " , take " card is magical " the deepness that submergence goes to 10929 meters.
At present till, the mankind carries person submergence twice this to reach 10 thousand meters only the following, here hydraulic be as high as 1000 many atmosphere, deep-sea challenge date after coming back from trench of Ma Liya accept, length shortened 7 centimeters; General nuclear-powered submarine is the biggest submergence deepness also 300 meters, tailor-made can go to 700 meters with submergence.
Even if is in so extreme place, also biology exists, just live thing is a lot of less, the majority biology in ocean lives in 1000 meters of above, they are few also submergence reachs darker place.
Cachalot is preying when king cuttlefish, meeting submergence reachs 2000 meters of dark places; Because deep-sea animal is having special body structure, can get used to deep-sea high pressure.
For instance the following kinds of deep-sea animals:
(1) deep-sea Zuo ZuoCommon calls a lantern the fish, live in 1000 meters of deep ocean, the head is suspensory a glow implement, twinkle ceaselessly, can come as bait alluring prey.
(2) knit branchial shark
The life controls deep-sea animal in 1500 meters, appearance resembles fokelore it seems that medium " evil dragon " , knitting branchial shark is a kind of very feral ravin person.
(3) gobble up eel
The life is in 1000~2000 rice place, can grow 1 meter many, gobble up eel to have distinctive big mouth, the rear is having glow organ, can the prey with bigger than itself get down.
(4) white blind shrimp
This is one kind lives in 5000 meters of deep shrimp kind, back can give off light, like a large number of around marine crater gathering.
(5) short foot double eye hooks shrimp
This is a kind of life trench of Ma Liya accept the biology of 10000 meters of the following deepness, body length 2~5 centimeter; 2009, japanese research group contains 4 alimental trap, the heavy Liyana that enter a horse trench, double eye of 185 short feet is caught to hook shrimp in all after be being pulled.
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