有生命存在火星上吗？
Though one should have dreams, it's not realistic to exist on dreams.
尽管人应该有梦想，但是依靠梦想生活也不现实。
These rules provide more detailed information about the relationships and restrictions that exist on the columns of a nickname.
这些规则提供了更详细的信息，是关于存在一个昵称各个列的关系和约束。
Does life exist on other planets?
其他行星上有生命吗？
They can't exist on the money he's earning.
他们靠他挣的那点钱无法维持生活。
Some people exist on melons or coconuts for weeks at a time.
有些人一度数周靠各种瓜与椰子生存。
Although it is possible to exist on traveler's cheques, Eurocheques and credit cards issued by British banks, the fees for these services can be expensive.
虽然可以通过旅行支票、欧洲支票和英国银行发行的信用卡使用，但这些服务的费用可能很昂贵。
Pandas exist on a bamboo diet.
而熊猫主要是吃竹子的。
The DSN does not exist on the server.
DSN在服务器中不存在。
The tables must already exist on the target.
这些表必须已经在目标数据库中存在。
A given event can only exist on one state.
某个既定事件只能存在于一个状态中。
When did I begin to exist on the personality theory?
根据人格理论，我是什么时候开始存在的呢？
These resources need to exist on a messaging infrastructure.
这些资源需要存在于消息传递基础结构上。
Experts say no good data exist on how many children are affected.
对于有多少小孩受到影响，专家们也给不出具体数据。
Use your packaging tools to see what packages exist on your system.
使用您的打包工具，查看您的系统上有什么程序包。
A Guest Satisfaction Survey should already exist on the hotel website.
酒店网站应该已设置客户满意度调查表。
Definitions for each of the compute nodes exist on the management node.
在管理节点上有对每个计算节点的定义。
Volunteering opportunities exist on every continent, except Antarctica.
除了南极，任何大陆都有做志愿者的机会。
Table-level predicates typically exist on some dimension tables as well.
表级谓词通常也存在于一些维度表中。
These facilities exist on both the transport and the application levels.
传输层和应用层都有这些设施。
If Webb measures water vapor, it would suggest that oceans exist on the planet.
如果韦伯测量到了水蒸气的话，这将表示在星球上还有海洋存在。
These grainy photographs may be the first evidence that liquid water can exist on Mars.
上面这些颗粒物的照片可能是第一个能证明火星上存在液态水的证据。
A quark cannot exist on its own, but must be bound to other quarks or an antiquark.
一个夸克不能单独存在，必须与其它夸克或反夸克结合在一起。
It's impossible to call an ambulance either as this house doesn't exist on the map.
因为地图上根本没有这个房子，因此连叫救护车都不可能。
Mutexes have names, and only one mutex of a given name can exist on a machine at a time.
互斥有名称，并且，一个给定名称的互斥在同一机器上同一时刻只能存在一个。
Furthermore, RAID 1 devices should exist on separate drives, to ensure reliability.
此外RAID1设备应该位于不同的驱动器，保证了可靠性。
These terms generally aren't purely cut and dried: they exist on a spectrum, like design.
这些术语一般不是一成不变的：它们存在于图谱上，就像设计一样。
NOBODY knows how many species exist on Earth, because no-one has yet counted them all.
没人知道地球上有多少物种，因为没人曾一一清点过。
However, this command will only find matches where both strings exist on the same line.
但是，只有这两个字符串出现在同一行上，这个命令才认为是匹配的。
The console prints information about the packages that exist on the database already, if any.
控制台打印数据库上已存在(如果有的话)的包的相关信息。
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