导语：随着科学技术的发展进步，我们对于这个世界有更加深刻的认识，同时对存在于生活当中的一些现象也可以用科学知识来解释。很多时候对于身边的一些自然现象在我们看来是理所当然的，不过对于那些善于思考的科学家来说，他们却会想办法研究其中的原因，比如面对苹果的掉落，牛顿进行了深入思考以后发现了重力。
重力是一种看不见、摸不着，却实实在在存在于生活当中的力，当我们把一个物体向上抛的时候不管你扔得有多高，它最终都会掉落下来。
Gravity is a force that can't be seen or touched, but actually exists in life. When we throw an object up, no matter how high you throw it, it eventually falls.
也多亏了重力的存在，人们才可以在地球表面自由的行走，重力稳固了我们的世界，与此同时人类又在积极的研究反重力技术，想要依靠这样的技术来摆脱重力给人们带来的束缚。
Thanks also to the existence of gravity, one can walk freely on the surface of the Earth, and
说到反重力技术很多人想到的是让一个物体在空中悬浮，如果只是这么简单的话那人类早就已经实现了这样的技术。因为飞机和磁悬浮列车都达到了这样的要求，它们的原理就是利用其他的力来对抗重力。
When it comes to anti-gravity technology, many think about allowing an object to float in the air, and if it were that simple, humans would have done so long ago. Because both the plane and the magnetic suspended train meet that requirement, their rationale is to use other forces against gravity.
但真正意义上的反重力技术绝没有大家想的那么简单，人类所研究的反重力技术最终是要服务于星际时代。
But the real antigravity technology is not as simple as you think it is, and the antigravity technology that
什么是反重力技术？人类掌握了反重力技术，真的能进入星际时代？
What's antigravity technology? Humans know antigravity technology. Can they really enter the interstellar age?
1、什么是反重力技术？
1, what is antigravity technology?
重力属于引力的一种表现，所以要实现反重力就是要实现反引力，从理论上来讲想要实现反重力可以有两个方法。第一种方法就是通过一些特定的方法来把引力给屏蔽，就像屏蔽电磁场那样。
Gravity is a manifestation of gravity, so anti-Gravity is the achievement of an anti-Gravity, and theoretically there are two ways to achieve an anti-Gravity. The first way is to shield gravity through specific methods, like the shielding of an electromagnetic field.
第二个方法就是让物体能够自发产生一种力，而这种利于引力的性质是完全相反的，我们把这称为“万有斥力”。这两种方法如果掌握了一种都可以有效解决反重力的问题，让物体无需外力作用也能悬浮空中。
The second method of 2、为什么科学家认为人类掌握了反重力技术就能进入星际时代？ 太空对于人类来说是非常神秘的，所以自从人类有了遨游太空的能力之后对于太空的探索就从来没有停止，现在太空当中已经有了很多人类发射的卫星。 Space is very mysterious for humans, so the exploration of space has never stopped since humans had the ability to swim in space, and there are now lots of satellites launched by humans in space. 尽管如此我们对于太空的了解仍然非常少，现在我国已经成功登陆了月球的背面。而美国很早之前就在月球上留下了人类的第一个足迹，可到现在为止也没有哪个国家成功在月球上建立基地。 Even so, we still have very little knowledge of space, and has now successfully landed on the back of the Moon. The United States left its first human footprint on the Moon a long time ago, but so far no country has succeeded in establishing a base on the Moon. 之所以没有就是因为要建立所花费的成本实在太高了，不仅成本高而且运作的效率也很低。 The reason why it's not done is because the cost of establishing it is so high that it is not only costly but also inefficient to operate. 人类要往太空当中发射航天器必须要在航天器里面注入大量的燃料，因为航天器的发射也会受到引力的阻碍，如果燃料不足的话根本飞不上去。 To launch a spacecraft into space, 所以如果人类能够成功掌握反重力技术的话，那火箭的发射也可以摆脱燃料的限制，而且也不会再受到地球引力和其他天体的引力问题。 So if humans succeed in mastering anti-gravity technology, then the launch of the rocket will be free from fuel restrictions, and the gravitational problems of Earth gravity and other celestial bodies will no longer be encountered. 这样如果想再往太空中运送物资的话就会简单很多，而且往返地球也会变得更加方便。如此一来人们就可以想办法前往更多的行星上开拓新天地。 It's a lot easier if you want to send more stuff into space, and it's easier to travel to and from the Earth. So people can find ways to get to more planets. 结语：重力对于地球来说是不可或缺的存在，如果地球上没有重力的话那一切东西都会发生混乱。但如果人类能够成功开发出反重力技术，那未来就能更好地服务于太空，这样也能更好的发展人类文明，把人类文明扩散到太空当中。 "Strong" concludes: Gravity is indispensable to the Earth, and everything is in disarray if there is no gravity on the planet. If mankind succeeds in developing antigravity technologies, the future will be better served by space, so that we can better develop human civilization and spread human civilization into space.
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