Army rules would not permit anyone except male soldiers to be on the battlefield.

VOA: special.2009.07.26

So, what will start with on Monday is doing the most simple example of methane using these Lewis structure rules.

因此，下周一上课,我们会先以最简单的例子--甲烷开始,使用这些路易斯结构的规则。

麻省理工公开课 - 化学原理课程节选

He's more likely to be someone who plays by the rules, avoids dangers, and bets on the sure thing.

他们只会循规守据,只做自己有把握的事情，绝不做任何有风险的事。

耶鲁公开课 - 政治哲学导论课程节选

The department is now collecting public comments on a number of negotiated rules.

VOA: special.2010.07.29

So, let's go ahead and draw our Lewis structure based on the rest of the rules now that we have a skeleton.

那么，让我们继续画我们的路易斯结构,看看在得到骨架之后还有哪些规则。

麻省理工公开课 - 化学原理课程节选

Rules on alcohol differ from college to college in the United States.

VOA: special.2009.04.02

So, for example, FINRA, which used to be called The National Association for Security Dealers, is a membership organization of people in the financial community and it imposes rules on its members.

比如说FINRA,以前被称为,全美证券商协会,这是金融界的一个会员组织,负责给协会成员,订立制度

耶鲁公开课 - 金融市场课程节选

The rules took effect on November first,nineteen sixty-one.

VOA: special.2011.05.06

But what really happens is as you go on in chemistry, you draw so many of these you can just draw them without following the rules.

但是随着你在化学上的深入，你会画很多路易斯结构,以至于你可以不用管这些规则就能直接画出来。

麻省理工公开课 - 化学原理课程节选

"We have 192 countries in the framework convention on climate change and one of them wants to have separate rules,".

VOA: standard.2009.11.04

Holy things are holy because they are removed from the realm of the common by means of rules or safeguards that demarcate them as different and separate and determine that we use them differently. The preservation of holy status therefore depends on those rules and safeguards.

神圣的东西之所以神圣是因为,它们通过规则和保护措施远离了普通的界域,这些保护将它们划分为是与众不同的，并且决定了,我们应该不一样地使用它们，神圣状态的保留时间长短,取决于这些规则和保护措施。

耶鲁公开课 - 旧约导论课程节选

The report also accuses the Islamic militant group Hamas that rules Gaza of war crimes, but the international focus has been on Israel.

VOA: standard.2009.11.06

This is the force or purpose of law to set rules, to keep people, as he puts it, on their way, a law that is intended simply to constrain and control for its own sake, Hobbes says, cannot be a good law.

这就是法律的目的，制定一定的规章制度，引导人民走正确的路子，霍布斯还认为,那种简单地为了限制和控制为目的法律，是不能称之为好的法律。

耶鲁公开课 - 政治哲学导论课程节选

At the same time, the U.S.central bank, the Federal Reserve, is considering new rules on bankers' pay.

VOA: standard.2009.10.22

On balance most commentators say the political agreement is a deeply imperfect set of rules, which it is hoped may eventually produce a better Zimbabwe.

VOA: standard.2009.09.15

U.N.High Commissioner for Refugees Antonio Guterres hailed the document, noting that Africa, which has roughly half the world's displaced people, is the first region to agree on rules for protecting them.

VOA: standard.2009.10.23

Martin Banks, a professor of optometry at Berkeley, says 3-D doesn't allow our eyes to follow the rules because we're focusing on things both far and near at the same time.

VOA: standard.2010.02.21

"Whenever a country imposes rules on business that hurts the business that makes it less appealing to consumers, there's a risk that,first of all, the businesses that do operate in the country will suffer.

VOA: standard.2010.08.02

The so-called Global Political Agreement was an interim set of rules to normalize the tense political situation, and to set the country back on the road to normality through a revised constitution and eventually new elections.

VOA: standard.2009.09.15