If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet.
如果早期的太阳比现在的太阳暗淡，也没有现在这么炙热的话，那么液态水就不可能在这两个星球上存在。
Hess suggested that the presence of water, probably released from minerals decomposing in the Earth's mantle, might have meant that a high-magnesium magma could have existed at a lower temperature.
赫斯认为，水的存在可能是由地幔中分解的矿物质释放出来的，这可能意味着含镁高的岩浆可能在较低的温度下存在。
An obsession with time, saving, gaming, wasting, losing, and mastering it, seems to have been a part of humanity for as long as humans have existed.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
Prior to 1960, geologists Bowen and Hess disagreed over whether or not the very high temperatures needed to produce magmas rich in magnesium could have existed on Earth.
在1960年之前，地质学家鲍温和赫斯在地球上是否存在产生富含镁的岩浆所需的高温这一问题上存在分歧。
In India, a group of people called hijra have existed for centuries.
在印度，一群叫hijra的人已经存在存在了数百年之久。
In Germany and France biodynamic wineries have existed widely for some time.
在德国和法国，生物动力酿酒厂的普遍存在已有时日了。
Magic in Siquijor consists mainly of traditional beliefs that have existed in the Philippines for centuries.
锡基霍尔的巫术多半植根于在菲律宾存在了好几个世纪的传统观念。
In other words, call off the search for the Milky Way's missing baby black holes, they may never have existed.
换句话说，请停止对银河系中消失的小型黑洞的搜寻吧，它们也许从来不曾存在过！
This nearly incomprehensible state is theorized to have existed for just a fraction of the first second of time.
理论预言，这个几乎无法理解的状态只存在了宇宙第一秒钟的极小一段时间。
Its most famous work is the Daodejing attributed to a person known as Laozi who may have existed in the 6th century BCE.
它最著名的作品是《道德经》，归因于一个可能生活在公元前6世纪被称为老子的人。
Its most famous work is the Daodejing, attributed to a person known as Laozi, who may have existed in the 6th century BCE.
它最著名的作品是《道德经》，归因于一个可能生活在公元前6世纪被称为老子的人。
About 1.1 billion years ago, what are now El Paso, Texas, and Antarctica appear to have existed side by side, scientists say.
科学家说，大约11亿年前，现在的德州埃尔帕索与南极好象是紧挨着的。
Greenspan on health care: 'I've always had the view that the real problem that we have existed before these reform proposals came in...
谈到医疗问题，格林斯潘说，我一直都认为我们实际面临的问题在这些医改计划提出之前就存在了。
Secret Societies have existed throughout the course of history, each of them with different aims and with different roles in society.
在整个历史过程中秘密社团一直存在，它们每一个都有不同的目标和在社会上有不同的角色。
Life could have existed on another planet, maybe even one as close as Mars, and then made its way to Earth instead of originating here.
生命可能起初存在于另一颗行星，也许就是离得最近的火星，而后通过某种途径来到了地球，而非起源于此。
This is not because it's harder to implement-you can't get harder to implement than impossible-but because it should never have existed.
这并不是由于它更加难于实现—最困难的实现莫过于根本就不可能实现—而是因为本来就不应该存在。
In recent years, currency exchange rates have fluctuated frequently, so more problems have existed when using exchange rates to calculate GDP.
近年来，货币汇率经常波动，用汇率计算GDP时，存在更多问题。
Conspiracy theories about wear-proof products (along with their close cousins, perpetual-motion machines) have existed since the dawn of industrial times.
在工业时代的早期，一些论证防磨损的产品（以及该类产品的“近亲”——永动机）的阴谋论就已经出现。
Although software metrics have existed for at least three decades, the use of metrics other than size (lines of code, function points, etc.) has been infrequent.
虽然软件量度已存在了至少30多年，但是除了规模(代码行、功能点以及等等)以外的其他量度，应用却并不广泛。
Thus far our examples have existed in a perfect world, where only one administrator is making changes to a DC at a time and nobody ever steps on anyone else's toes.
到目前为止，我们的示例依然存于一个完美的世界中，每次只有一个管理员对DC进行更改，从不会出现冲突情况。
They are certainly not new-in fact, they have existed in other forms in the past-but they represent an interesting architectural pattern that is useful in Linux and elsewhere.
它们当然不是新的—事实上，它们在过去已经以其他形式存在—但是它们代表了一种有趣的架构模式，这在Linux中和其他地方都很有用。
Ajax is new in the sense that many developers are just beginning to be aware of it, but all of the components that implement an Ajax application have existed for several years.
Ajax是新颖的，因为许多开发人员才刚刚开始知道它，但是所有实现Ajax应用程序的组件都已经存在若干年了。
A recent report from the Congressional Budget Office reckons that it created 2m-4.8m more full-time-equivalent jobs in the second quarter than would have existed without it.
一份来自国会预算办公室最近的报告称，在第二季度，同没有经济刺激计划相比，多产生200-480万相当于全职的工作。
These solutions have existed for some time, but the Jazz project, a collaboration between IBM Research and IBM Rational, has also been developing new solutions for distributed teams.
这些解决方案都已经存在一段时间了，但是Jazz项目这种IBMResearch和IBMRational之间的协作又为分布式团队开发出了新的解决方案。
These solutions have existed for some time, but the Jazz project, a collaboration between IBM Research and IBM Rational, has also been developing new solutions for distributed teams.
这些解决方案都已经存在一段时间了，但是Jazz项目这种IBMResearch和IBMRational之间的协作又为分布式团队开发出了新的解决方案。
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