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.
网页可以包含多个Web表单，包括可见的和不可见的。
A Web page can contain more than one Web form, including visible and invisible ones.
其实，物理学家对暗物质的存在确信无疑，最早上世纪30年代做的天文观察就显示出要保持时刻运转的星系稳定聚集在一起远非一般性物质所能；换句话说，一个星系的可见部分一定是牢牢嵌在一种不可见的光晕上的；否则，它就会在运转过程中四分五散。
Physicists are pretty confident dark matter exists. Astronomical observations first made in the 1930s show there is not nearly enough ordinary matter to hold galaxies together as they spin round.
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.
我们会在下面的“可见性规则”章节讨论不同的可见性规则和控制它们的关键字。
We'll discuss the various visibility rules and the keywords that control them in the section called "visibility rules" below.
要查看几乎不可见的左侧框架的框架属性，则必须先使它可见。
To review the frame properties of the almost invisible left frame, you must first make it visible.
从椅子到航天飞机使用的碳，塑料制品在我们的生活中随处可见，由此可见，碳也是能量供应者。
The plastics that can be found in everything from your chair to the space shuttle contain carbon - as does, of course, our energy supply.
您可以看到，字段可见性的规则和标记都与成员函数可见性的规则和标记一致。后者在上周讨论过。
As you can see, the rules and notations for field visibility are consistent with those for member function visibility, as discussed last week.
他建议让人们创造的媒体对他们的受众是可见的(在今天，“可见”即意味着可寻找得到的)。
He offers advice on making the media we create visible to the people we want to see it (today, visible means findable).
想象一下暗物质，那些神秘不可见的东东，在银河系里相对可见星的比重的为10：1，这种观点1930年被首次提出时，没有一个人相信。
Take dark matter, the mysterious, invisible stuff that outweighs the visible stars and galaxies by a factor of 10 to 1. When it was first proposed in the 1930s, nobody believed it.
即使是作为贺卡上的图像，或者挂在窗上的装饰，天使都履行着他们作为可见世界与不可见世界之间以及物质世界与精神世界之间的信使和媒介者这个古老的职责。
Even as images on cards, or as ornaments hanging in a window, angels perform their age-old function as messengers and mediators between the seen and unseen, or material and spiritual, worlds.
心脏星云，正式名称为IC 1805，在上图右边可见，在可见光波段有着让人联想到经典的心脏符号的形状。
The Heart Nebula, officially dubbed IC 1805 and visible in the above right, has a shape in optical light reminiscent of a classical heart symbol.
首先，市场和国家的平衡，公众和私人的平衡，可见的手和不可见的手的平衡，将被打破。
First there's the balance between state and market, public and private, the visible and invisible hand.
为了在类图上的显示可见性，放置可见性标志于属性或操作的名字之前。
To display visibility on the class diagram, you place the visibility mark in front of the attribute's or operation's name.
在尘埃云中心的细丝发出微弱的红色荧光，这是由于一些尘埃微粒能有效地将恒星发出的不可见紫外线转换成可见的红光。
Central filamentsof the dusty clouds glow with a faint reddish photoluminesence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light.
尽管经济学家认为，严格地说，美国现在并不能算是陷入了经济衰退，可是经济活动减速所造成的负面影响随处可见，而且外国民工首当其冲，这从他们给家里汇款的数量上可见一斑。
Although economists say the United States is not technically in a recession, the slowdown in economic activity is having a dramatic impact on the amount of money immigrants are able to send back home.
换句话说，这意味着老的内存模型只保证正在读或写的变量的可见性，不保证写入其他变量的可见性。
In other words, this means that the old memory model made promises only about the visibility of the variable being read or written, and no promises about the visibility of writes to other variables.
当志愿者面前示以字母的图片时，这并不能使不可见的字母可见。
When volunteers were shown a picture of the letter beforehand, this did not make an invisible version of that letter more visible.
另外一个小组使用氧化物样板去在有孔的铝的氧化物中产生纳米银线。线与线之间的距离小于可见光的波长。这物质通过折射光，在可见光范围内工作。
The other team used an oxide template to grow silver nanowires inside porous aluminum oxide. The spacing between the wires was smaller than the wavelength of visible light.
这是一个生气勃勃的地方，越南人经营的商店处处可见，在公交站牌也总是可见蒙着面纱等车的妇女。
She worries about her neighbourhood, a vibrant area full of Vietnamese shops and veiled women waiting at bus stops.
带有星号的成员对美国的经理可见，没有星号的则不可见。
The members that appear with an asterisk are visible to the U.S. managers, while the ones without an asterisk are not.
这七日之久，要吃无酵饼；在你四境之内不可见有酵的饼，也不可见发酵的物。
Eat unleavened bread during those seven days; nothing with yeast in it is to be seen among you, nor shall any yeast be seen anywhere within your borders.
修改方法可见度的方法与修改属性可见度的方法一样，即在方法声明中添加public、private或protected。
You can modify the visibility of methods in the same way as properties, adding public, private, or protected to the method declaration.
第一个是可见性标记(visibility marker)，可以将字段、方法和类标记为公共的、受保护的、私有的或默认的可见性。
The first is a visibility marker that marks fields, methods, and classes for either public, protected, public, or default visibility.
前用户变量的范围被设置为在“Alltestsforthisuser”中可见，这使得它对相同虚拟用户所执行的所有测试可见。
The scope of a per-user variable is set to be visible in "all tests for this user," which makes it visible to all tests being executed by the same virtual user.
SSL保护的通信在tcpmon中不可见，但包含在发送给提供者的客户端请求中的SAML令牌在tcpmon中应该是可见的，如图19所示。
The SSL protected communication will not be visible in tcpmon, but the SAML token included in the client request to the provider should be visible in tcpmon, like in Figure 19.
我们会在《第5章-Scala面向对象编程》中的“可见度规则”章节来讨论可见度的规则和对应的关键字。
We will discuss the visibility rules and keywords in the section called "visibility rules" in Chapter 5, Basic Object-Oriented Programming in Scala.
所以荧光染料把不可见的能量转换成了可见光，这就是魔术的奥妙所在！
So fluorescent dyes turn invisible energy into visible light, and that's how the magic trick works!
因此最重要的就是检查一下DC及全局编录服务使哪些消息对域用户可见--甚至对匿名用户也是可见的。
Therefore it is very important that you check what information your domain controllers and global catalog servers make available for the domain users – and perhaps anonymous users also.
因此最重要的就是检查一下DC及全局编录服务使哪些消息对域用户可见--甚至对匿名用户也是可见的。
Therefore it is very important that you check what information your domain controllers and global catalog servers make available for the domain users – and perhaps anonymous users also.
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