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24 tháng 4 2016

In the world of marine engineering, supercavitation accelerated method most hegemony. Supercavitation an effect is created when a layer of gas bubbles form around an object inside a liquid (imagine submerged part of the ship was surrounded bubble). Reduces air friction layer 900 times higher than normal, which means moving faster than the movement in the water.
Therefore any public vessel equipped with this technology are enormous assets for all naval fleet. In addition to faster and less fuel, speed and its shape makes it easy to locate via sound waves. It even smelled smoke torpedo for the race. Juliet Marine Systems, a private company in Portsmouth, New Hampshire, is trying to work out a way. It's called ghosts, created for the purpose of defense - protection for naval vessels, and expel the pirates poised eyeing commercial vessels. It can also be a fully effective ferry landing in enemy coast.

 

25 tháng 4 2019

Write a short paragraph about a future means of transport in this unit. Include both facts and opinions about the vehicle

My favourite future transport is a solar energy car. It looks like a normal car but it has a solar panel will catch sun shine and create electricity for the car. It maybe a great invention helping to save and create the energy and protect the environment. I think it will be an environmentally friendly transport.

P/S: Không chép trên mạng nha bạn. Chúc học tốt.

10 tháng 5 2022

refer

Talk about a future means of transport - bài viết số 1

Traffic jams have appeared in many places of our country. So in the future, many interesting means of transport will be born by humans.

My dream means of transport is sky-cycling. In my opinion, it will be powered by solar energy and wind energy to avoid pollution and save fuel. Two people can sit on it. We can use it anytime and anywhere. It's won't take a lot of space. I think it will look like a big tube. People will pedal to move tubes in sky-rails. With the use of modern technology, sky-cycling will be able to help us many things and it will make our life become better. Sky-cycling will be able to avoid traffic jam, pollution and it help us comtemplate sky more clearly. In the future, I hope people will make sky-cycling is the same as my dream.

10 tháng 5 2022

cảm ơn bn

20 tháng 4 2017

It is Solar-energy plane. It looks like a normal plane but it has the solar panel on the wings. The panel will catch the sun shine and create the electricity for the plane. It maybe a great invention helping to create the energy and protect environment.

20 tháng 4 2017

Dài xíu nha bạn vui

27 tháng 7 2019

easy my favourite sport is basketball it is a team sport, you can play it with friends or your family it scored by throw the bal into the basket it is a entertainment sport . i very love basketball

học tốt

5 tháng 5 2022

Traffic jams have appeared in many places of our country. So in the future, many interesting means of transport will be born by humans.

My dream means of transport is skycycling. In my opinion, it will br powered by solar energy and wind energy to avoid pollution and save fuel. Two people can sit on it. We can use it anytime and anywhere. It's won't take a lot of space. I think it will look a big tube. People will pedal to move tubes in skyrails. With the use of morden techndogy, skycycking will be able to help us many things and it will make our life become better. Skycycling will be able to avoid traffic jam, pollution and it help us comtemplate sky more clearly.

And in the future, I hope people will make skycycling is the same as my dream.

4 tháng 5 2022

Traffic jams have appeared in many places of our country. So in the future, many interesting means of transport will be born by humans.

My dream means of transport is skycycling. In my opinion, it will br powered by solar energy and wind energy to avoid pollution and save fuel. Two people can sit on it. We can use it anytime and anywhere. It's won't take a lot of space. I think it will look a big tube. People will pedal to move tubes in skyrails. With the use of morden techndogy, skycycking will be able to help us many things and it will make our life become better. Skycycling will be able to avoid traffic jam, pollution and it help us comtemplate sky more clearly.

And in the future, I hope people will make skycycling is the same as my dream.

4 tháng 5 2022

dài zậy

 

21 tháng 4 2019

bạn lên đây nha

https://hoc24.vn/hoi-dap/question/244949.html

5 tháng 5 2019

Bn có thể tham khảo ở đây nha!

https://hoc24.vn/hoi-dap/question/274301.html