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And if the dark energy is not vacuum energy at all, then its future impact on cosmic expansion is uncertain. 如果暗能量全然不是真空能量，那麽它未来对于宇宙膨胀的影响就不能确定。
These three local minima differ by virtue of whether the resulting vacuum energy is positive, negative or zero. 我们可以使用真空能量是正、负或零，来区分这三个局部最小值。
Modern physicists can but discover the interparticle collision will produce vacuum energy. 科学家们在实验中也惊奇地发现，真空环境下，并非真的什么也没有，而是可以发现粒子成双结对地在真空中碰撞，从而产生能量。
It is far too early to stop seeking competing explanations for the existence of vacuum energy and its very small size. 现在就停止寻找竞争的理论来解释真空能量的存在及其微小的数值，仍嫌过早。
A very interesting physical interpretation of the dark energy can be obtained as a vacuum energy, from the following line of reasoning. 最有趣的看法是黑暗能量来自真空能量,且让我细细道来。
If the vacuum energy density were really that high, all matter in the universe would instantly fly apart and galaxies would never have formed. 要是真空能量的密度真的如此之大，宇宙中所有的物质早就被稀释不见，更别提会形成星系了。
We have explained how cosmology populates most of the minima, resulting in a complicated universe that contains bubbles with every imaginable value of the vacuum energy. 我们已经解释了宇宙学如何聚居了大多数的极小值，以至造成一个极复杂的宇宙，其中包括了具备所有可想像真空能量值的泡泡。
Physicists have produced models of broken supersymmetry yielding a vacuum energy density that is many orders of magnitude smaller than the absurdly high estimates made previously. 物理学家已经建构出能破坏超对称的模型，这些模型的真空能量密度比以前高得荒谬的估算要低好几个数量级。
Positive vacuum energy, however, acts like antigravity: according to Einstein's equation, it causes the three dimensions that we see to grow more and more rapidly. 但正的真空能量，却有类似反重力的行为：根据爱因斯坦的方程式，正的真空能量会促使我们所见的三维空间成长得越来越迅速。
Based on modern cosmology, the Universe is composed by 70% of dark energy (also called vacuum energy), 25% of dark matter, and 5% normal matter (baryonic matter). 根据现代宇宙学，宇宙是由 70%25的黑暗能量，25%25的黑暗物质，与 5%25的一般物质所构成。
Regions of the universe with large positive vacuum energy experience expansions so virulent that a supernova explosion would seem peaceful in comparison. 具有大的正真空能量的宇宙区域，所经历的激烈膨胀，使超新星爆发在相较之下显得相当温和。
The leading candidate to explain dark energy's effects is vacuum energy, which is mathematically equivalent to the cosmological constant that Einstein invented in 1917. 要解释暗能量效应的首选，便是真空能量，它与爱因斯坦在1917年所创的宇宙常数，在数学上是等价的。
Andrei Sakharov, the late Soviet physicist and dissident, suggested as early as1984 that the complicated geometries of hidden dimensions might produce a spectrum for vacuum energy that includes values in the experimental window. 已故的苏维埃物理学家及异议份子沙卡诺夫，早在1984年便建议：隐密维度的复杂几何，可能产生真空能量谱，并包括实验可观测範围内的数值。
Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
This set of vacuum energies (or vacua, as physicists like to refer to universes) has been dubbed the anthropic landscape of string theory. 而这组真空能量（或称多真空，对应到物理学家提及的多宇宙）便被戏称为弦论的人择地景。
Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
Some people are living in a vacuum. 有些人过着与世隔绝的生活。