在选择确定过去存在的气候条件的方法时，古气候学家援引了四个主要标准。
In choosing a method for determining climatic conditions that existed in the past, paleoclimatologists invoke four principal criteria.
最近，行星科学家提出，地球生物圈发展的外部先决条件可能包括四个最重要的偶发事件。
Recently planetary scientists have suggested that the external preconditions for the development of Earth's biosphere probably included four paramount contingencies.
如果四项法案都通过的话，它们将代表着密歇根州2013年法律的重大改革，该法律允许在有限的条件下测试自动驾驶汽车。
If all four bills pass as written, they would represent a substantial update of Michigan's 2013 law that allowed the testing of self-driving vehicles in limited conditions.
合成碱绿色4的最佳条件包括：尿素和氯化锌作为催化剂，四氢呋喃和双色。
The optimal conditions for synthesis of alkali green 4 include the carbamide and zinc chloride as catalyst, chloranil and bichrome.
其他条件不变，已婚的美国人会更幸福，在1-3规模上约高四分之一的幸福点。
Married Americans are happier, ceteris paribus, by approximately one quarter of a happiness point on the 1-3 scale.
公平联盟调查了四家特许生产厂的用工条件，这些工厂都位于中国南方。
The Playfair report investigated conditions at four of the licensed factories, all in south China.
更好的工作条件与加纳四年级医科学生已表明的假定农村职位的选择强烈相关。
Better working conditions were strongly associated with the stated choice of hypothetical rural postings among fourth year Ghanaian medical students.
这些都是中东四方协议所规定的国际社会和哈马斯进行接触的条件。
All of which were conditions from the Quartet for the international community to engage with Hamas.
那么我们有四个变量，两个约束条件。
法国，西班牙和其他四个国家恳求几乎无条件地在南部增加支出和在地中海地区扩大欧盟势力。
France, Spain and four others plead for more spending in the south and boosting the Union for the Mediterranean, with few or no conditions.
这个收购案预计会在2011年的第四季度完成，主要依据惯例成交条件。
The acquisition is expected to be completed in the fourth quarter of 2011, subject to customary closing conditions.
因为四个条件全部成立，所以这种情况会导致类装入器约束违反。
Because all four conditions hold, this situation results in a class loader constraint violation.
在下一个循环中，父节点的父节点成了相关节点，再次从此新节点开始检查四个先决条件，查看是否需要再次执行上面的操作。
The parent's parent is the node of interest next round and the four prerequisites are checked again from this new node to see whether the above operations need to be performed again.
如果您尚未阅读介绍业务状态机的第四篇文章，请不必担心；稍后可以回过头来阅读它，因为它不是学习本文的先决条件。
If you haven't read the fourth article that covered business state machines, don't worry; you can go back and read it later because it is not a prerequisite.
正如人口普查结果所显示的那样，俄罗斯人口为在其他城市——甚至其他国家寻找更好的机遇和生活条件而四处迁移。
As the census findings suggest, people in Russia were on the move, looking for better opportunities and living conditions in other cities-even other countries.
周四，一名英国法官准许阿桑奇有条件保释。
On Thursday, a British judge released Assange on conditional bail.
此举招致拥有大约四分之一债权的债主们抵制，他们要求更为优厚的条件，尽管基什内尔已向国会下达立法禁止继续兑付的命令。
This prompted creditors with around a quarter of the debt to hold out for better terms, even though Mr Kirchner ordered Congress to pass a law forbidding any further payment.
修正案规定了总统的最长任职期(可任两期，每期四年)，为候选人参与选举创造有利条件，并限制了总统宣布国家进入紧急状态的权利。
They limit how long a President can serve (two four-year terms), make it easier for candidates to get on the ballot and restrict a President's ability to impose a state of emergency.
但是，实现第四个条件很需要技巧。
在实验室条件下，矿化在四至六周内开始，并在六个月内产生全面的化学反应。
Under laboratory conditions, mineralization began within four to six weeks and had occurred extensively within months.
树立远大理想，你将发现自己拥有得天独厚的条件，并伴随着魅力四射自我形象和健康的自尊心。
Choose the high road and you will discover the unmatched advantage that comes with an empowering self-image and a health self-esteem.
但是只要以下四个条件得到满足，我不会反对原子能。
But, as long as the following four conditions are met, I will no longer oppose atomic energy.
同样地，父母被先入为主地认为无条件地爱他们的子女，保护他们不受伤害，这个假设并非放诸四海而皆准。
Likewise, the assumption that parents are predisposed to love their children unconditionally and protect them from harm is not universally true.
所以，让经济条件不那么好、甚至在简单事务上都鲜有合作的四个国家拿出资金来建造如此昂贵与复杂的项目，似乎是勉为其难了。
The idea that four poorer countries with scant record of co-operation, even on simple things, can finance and build something so costly and complex seems a stretch.
我访问了亚洲和非洲仍然流行脊髓灰质炎的四个国家，以亲眼观察正在作出的巨大努力，而这些努力往往是在极其困难的条件下作出的。
I have visited each of the four remaining polio-endemic countries, in Asia and Africa, to observe first-hand the tremendous efforts being undertaken, often under very challenging conditions.
白宫开出的条件在周四晚间摆在了汽车制造商面前，经过讨论，厂商们在午夜接受了条款。
The White House's terms were put before carmakers late on Thursday and agreed in late-night discussions.
白宫开出的条件在周四晚间摆在了汽车制造商面前，经过讨论，厂商们在午夜接受了条款。
The White House's terms were put before carmakers late on Thursday and agreed in late-night discussions.
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