Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
The center of gravity of Hadfield's book differs from Highley's.
哈德菲尔德的书的重心与海利的书不同。
The point is that for some time the center of gravity for achievement has been shifting away from the topmost colleges.
值得强调的一点就是在某段时间内，成功的重力中心从顶尖的学校发生了转移。
On our spherical Earth, gravity pulls "down" us toward the planet's center of mass. So on a flat surface, we naturally stand up straight.
在我们地球上，重力会把我们拉向星球的质量中心，因此在平坦的地表，我们自然站得很直。
Gran Sasso and CERN are at different distances from the center of the Earth, so the force of gravity varies slightly between the two LABS.
由于格兰·萨索与欧洲核子研究中心，这两个位置离地球中心的距离并不一样，所以这两个实验室里的重力也稍许有所差别。
Ferrari put the motor, batteries and related electronics as low as possible in the car to keep the center of gravity low and preserve interior space.
法拉利公司尽可能让发动机、动力电池和相关电子设备重量减轻，使汽车保持低重心，车内的空间也不会减少。
The three-seater is lightweight with a low center of gravity and features a powerful electric motor that helps it deliver supercar performance.
这部三个座位的汽车很轻，重心较低，并有强大的电动发动机，有助于它发挥超级汽车的性能。
But if enough good ones do, it stops being a self-indulgent choice, because the center of gravity of Silicon Valley will shift there.
但是如果很多好的创业公司都这么做，就不再是个奢侈的标志了，因为硅谷的吸引力就将转移到那里去了。
If there are extra dimensions, then the gravity from the black hole in the center of our galaxy might dramatically brighten the images of stars beyond it.
如果有其他维度，那银河系中心的黑洞引力就可能使其外面的恒星影像异常明亮。
The first known use of "zero-gravity" is from Jack Binder (better known for his work as an artist) in 1938, and actually refers to the gravityless state of the center of the Earth's core.
1938年杰克·宾得（作为一个艺术家而闻名）第一次使用“零重力”，事实上是指地球核心的无重力状态。
Asia is increasingly the center of gravity of the world economy; the historic question is whether this dynamism can be managed peacefully.
亚洲日益成为全球经济的重心，重要的问题是，这样的势头能否得到和平的处理。
Between the pregnancy hormones loosening joints and ligaments and your shifting center of gravity you may be wishing it ached only a little.
孕激素放松了你的关节和韧带以及你重心的改变，你可能希望它有轻微的疼痛。
Between the pregnancy hormones loosening joints and ligaments and your shifting center of gravity, you may be wishing it ached only a little.
孕激素放松了你的关节和韧带以及你重心的改变，你可能希望它有轻微的疼痛。
A keel also provides weight low under the water to lower the boat's center of gravity below the waterline, which is needed so that the boat bobs back upright if knocked over by wind or waves.
龙骨同时也增加了船只的底部重量，从而将船只重心降到吃水线之下，而这对于船只在被风浪打翻时能够得以及时回正是十分必要的。
Plastic shoes, with uneven Styrofoam pads for soles, throw off my center of gravity.
塑料鞋子，鞋垫是崎岖不平的发泡胶垫，让我失去重力。
The center of gravity in technology has shifted from PCs to the Internet, altering the old rules of competition that were so lucratively mastered by Microsoft.
微软的技术中心已经从个人电脑转向互联网，改变了它多年来为大家所熟悉的竞争规则。
Egypt has always been the center of gravity of the Arab world and because it drifted these past 30 years, so too did the whole Arab world.
埃及一直是阿拉伯世界的重心，因为埃及偏离了30年，阿拉伯世界也偏离了30年。
Its battery, the size of a tatami mat and weighing about 400 pounds, is under the floor, which helps give the car a lower center of gravity.
它的电池，大小如榻榻米，重400磅，位于汽车的底部，使车子的重心较低。
The blog idea served as the center of gravity for the new model, and other audience channels were connected to create an experimental new "ecosystem."
创建博客的想法成为了这一新模式的重心，此外，我们还将其他受众渠道连接起来，建立了一个实验性的新"生态系统"。
Your center of gravity has shifted and all that extra weight around your middle may be pulling your back out of whack and messing with your balance.
你的重心已经发生偏移了，所有环绕在你腰腹部的增加的重量可能会使背部不一致并干扰你的平衡力。
Take that misplaced center of gravity and put it into running shoes, which naturally tip you forward with a heel higher than the toe, and your feet and ankles start to bear the brunt of any impact.
穿上跑鞋并且重心不对，都会导致你脚跟高于脚趾，这种往前倾斜的状态让你的脚和踝关节开始忍受首当其冲的冲击力。
Gravity exerts a natural pull straight downwards, towards the center of the earth.
地心引力施加一个垂直向下，指向地球中心的自然拉力。
Order to achieve the ideal weight status, thereby creating the highest MOI and lowest in the deep center of gravity.
为了达到理想体重的地位，从而创造最高的教学语言，在重力的深中心的最低水平。
Lift yourself off the floor by carefully shifting your center of gravity. Press your hands into the floor and slowly begin to rock your weight back, off your feet and onto your hands.
双手扎实地按向地面，慢慢将重量向后放，重心落在双手上，抬起双脚。
Living from the center of gravity work, transferred to the home and children.
生活的重心也从工作中，转移到了家庭和孩子身上。
The videos show them landing in front of their center of gravity.
录影带表明他们是在重心之前着地的。
The videos show them landing in front of their center of gravity.
录影带表明他们是在重心之前着地的。
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