天文学家必须从黑洞对周围可见天体的引力影响推断出不可见的黑洞的存在。
Astronomers must infer the existence of black holes, which are invisible, from their gravitational influence on the visible bodies surrounding them.
但是将会收到NullPointerException，因为当前行已不存在——它已被修改，并且更改在当前的游标中不可见。
But you receive a NullPointerException, because the current row no longer exists - it was modified, and the changes aren't visible in the current cursor.
“暗物质”是一种以不可见的形态存在的物质，它构成了宇宙的大部分质量。
Dark matter is an invisible form of matter that accounts for most of the Universe's mass.
暗物质是一种不与光发生作用的物质，因而不可见。但是暗物质又是确实存在的，它与可见物质之间产生的引力效应证实了这一点。
Dark matter is a form of stuff that does not interact with light, so cannot be seen, but makes its presence felt by exerting a gravitational pull on normal matter.
据推测不可见的暗物质占到宇宙总质量的25%，其存在的间接证据主要是由于观察到其施加在星系和恒星上的引力作用。
Much indirect evidence for dark matter — supposedly 25 percent of the mass in the universe — comes from observing its invisible gravitational effect on visible galaxies and their stars.
你的意识是不可见的，但你知道它的真实存在。
暗物质，一个长期存在的神秘实体，是某种不可见的普遍存在的物质，它们只通过其引力揭示自己的存在。
Dark matter, a mysterious entity of longer standing, is some invisible but common substance that reveals itself only through its gravitational pull.
它就是动力——不可见、但普遍存在的力量。它能够渗透到你的每一个选择，你的每一个脚步，你的每一个呼吸，你的每一个充满活力、快乐的决心的时刻。
It is momentum - that invisible, universal force that can saturate your every choice, your every step, your every breath, your every moment of resolve with vibrant, joyful energy.
由于暗物质不可见，天文学家们采取了间接途径来测知它的存在。
Because dark matter cannot be seen astronomers detected its presence through indirect evidence.
要么就是存在一大团不可见物质填补了引力的不足，要么就是引力理论出了错，即引力在不同宇宙尺度上产生的作用不一样。
Either there was some huge but unseen mass that was doing the job, or gravitational theory was wrong and gravity worked differently on cosmic scales.
在系统彼此通信的情况下，由于使用了专用API，因而存在紧密依赖关系，这种方式不可靠，而且会降低可见性。
Where systems did communicate, they introduced tight dependencies by using proprietary APIs, which proved unreliable and reduced visibility.
如果要让宇宙停止扩大，那就必须要有超过可见物质密度约70倍的不可见物质存在。
If the expansion of the universe is to stop there must be enough invisible matter in the universe to exceed the luminous matter in density by a factor of roughly 70.
我们知道它的存在，但这是一个不可见的罪行。
对于公众而言，会计师们从来都是存在却又不可见的。
他们以不可见的形态在海加尔山和临近的费伍德漂浮着，并且逐渐与那些残存在当地的恶魔开始混合。
Floating invisibly throughout Mount Hyjal and nearby Felwood, they began to slowly intertwine with the demons that had taken up residence there.
在第三章详细介绍了一种基于距离场和不可见度场分水岭变换的方法，指出了其存在的问题和对区域融合技术的需求。
In chapter 3 a portal-generation method, to which our improved region merging technique is to be applied, is introduced in detail.
在第三章详细介绍了一种基于距离场和不可见度场分水岭变换的方法，指出了其存在的问题和对区域融合技术的需求。
In chapter 3 a portal-generation method, to which our improved region merging technique is to be applied, is introduced in detail.
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