【科学技术与工程】OnDecember26,1970,Chinabecamethefifthcountryintheworldtohavenuclearsubmarines(核潜艇).Theinventionofnuclear__1__knownbyothercountries.Allthepeoplewere__2__,andanoldmancriedwithjoyinthecrowd.HeisHuangXuhua.;Infact,Huangsdreaminchildhoodwastostudymedicine.Whenhewasinmiddleschool,herealizedtha...
aclosen as the first group to work on submarines closen,第一个小组在潜水艇工作[translate] a我国高等教育已经实现大众化,我国已经成为世界研究生教育大国。 The our country higher education already realized the popularity, our country already becomes the world graduate student to educate the great nation...
"Girlfriend" (Submarines' Time Warp 66 mix) – 3:12 "When You're Gone" (video) – 4:08 Lyrics I always needed time on my own I never thought I'd Need you there when I cry And the days feel like years when I'm alone And the bed where you lie Is made up on your side When...
根据“They will not be found by sonar, meaning they can swim around submarines (潜水艇) unnoticed. Compared to anti-submarine aircraft (反潜艇飞机), anti-submarine “fish” are cheaper and can work better.”可知,仿生鱼可用于军事领域是因为它们比反潜工具更便宜,也更好;并且潜艇很难找到它们。故...
A Bachelor of Science in Marine Engineering prepares students with knowledge on various marine operating systems including offshore structures (离岸结构), boats and submarines. This career field is projected to grow by 9% b...
C.It was made to surprise visitors.D.It swims faster than a real shark. 2. Bionic fish can be used in military areas because ___. a. they are cheap and efficient anti-submarine tools. b. they make big noises that scare submarines. c. submarines...
Today we spent the morning going through our personal belongings .We were looking for items to___for free at a local park. Not just any items but things people really___. Our aim was not to find things we no longer___but things we use every day that would be___to others. We...
Why are the tires of aircraft made of conductors? Maps of the moon are upside down. Why? Why is the shape of rainbow parabolic? Why does it feel like you're moving slow in a plane but really going around 500 MPH? Why does a magnetic compass needle not wo...
Two of these were Mr Fogg, the hero of “Around the World Eighty Days”,and his servant. In this book Mr Fogg made a bet that he would travel around the world in eighty days. This may seem easy to you. Nowadays we go around the world in than eighty hours but in those days there...
In those days submarines had not been invented but he described an under water ship very like a modern one. Many of the things Jutes wrote about in his books more than a hundred years ago to look into the future, however, were surprisingly exact. In his book From the Earth to the ...