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。
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。
ARGs could not have existed before the Internet.
在英特网之前是不可能出现虚拟现实游戏的。
It makes it easier to believe they could have existed.
这更容易让人相信它们曾经存在过。
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。
Search and shopping mashups have existed long before the term mashup was coined.
搜索和购物mashup在mashup这个术语出现之前就已经存在很长时间了。
Data problems may have existed in the customer? S operational data sources for years.
数据问题可能在客户的操作数据源中存在多年。
Without this guitar The Beatles may never have existed, and it is a fantastic acquisition.
如果没有这把吉他，甲克虫乐队可能从来就不会存在，这是一件奇妙的所得。
In a mathematically perfect universe, we would be less than dead; we would never have existed.
在一个数学化的完美宇宙中，人类基本上是不可能存在的，也是不应该存在的。
As far as I know claims have existed in.net since v. 1.0 but have not been actively used by many.
据我所知声明从。NET 1.0版本就有了，但一直没有被广泛使用。
Few or any anthropoids are known to have existed in Africa during this period, known as the Eocene epoch.
人们原先不知道在这个被称为“始新世”的时期，非洲有类人猿的存在。
"Without this guitar The Beatles may never have existed, and it is a fantastic acquisition." Jackson.
如果没有这把吉他，甲克虫乐队可能从来就不会存在，这是一件奇妙的所得。
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。
It won't surprise you that many academics argue that these Spaces no longer exist, and may never have existed.
它不会带给您惊喜，许多学者认为，这些空间不再存在，并可能就不存在。
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！
Steve Jobs the Mac, the iPod, even Buzz Lightyear4 probably wouldn't have existed had Steve Jobs stayed in school.
如果斯蒂夫·乔布斯没有辍学的话，这个世界上就不会有今天的苹果电脑，苹果MP3播放器，甚至连巴斯光年也不会存在。
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。
If everything were equal at the birth of the cosmos, matter and anti-matter would have existed in the same quantities.
如果在宇宙形成之初，万物皆有同等地位，物质和反物质就应以等量共存。
If everything were equal at the birth of the cosmos, matter and anti-matter would have existed in the same quantities.
如果在宇宙形成之初，万物皆有同等地位，物质和反物质就应以等量共存。
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