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.
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。
It also shows that two four vector potential can be combined into one four vector potential in the region being free of magnetic charges.
同时还证明在磁荷为零的区域两个四维矢势可以合并为一个。
There will be two four-cylinder engine choices on offer: one is a 1.5-liter unit with variable valve timing and either a four-speed automatic or a five-speed manual transmission.
该车可提供两种引擎以供选择，一种是1.5升可变气门正时引擎配备四速自动或五速手动变速器。
This paper introduces a board-reversing machine that consists of two four-rod mechanisms, According to the restraint conditions, the rod size of board-reversing machine is optimized.
介绍了一种由两组四杆机构组成的翻板机，用于薄板的翻面。根据约束条件要求，优化设计了翻板机的杆件尺寸。
To test this theory, Andrew Oxenham and his colleagues at the University of Minnesota in Minneapolis asked a group of six students whether two four-note melodies were identical or not.
奥克森汉姆和他的同事在位于明尼阿波利斯市的明尼苏达州大学，调查了六个学生，问他们听到的两组四个音的旋律是否相同。
Two four-cylinder engines are available, including a 1.4-liter turbocharged version that will get 40 mpg with a manual transmission.
两个四缸发动机可供选择，包括1.4升涡轮增压版本，手动变速时可获得每加仑40英里的油耗。
You get two, four, eight times more results for the same amount of effort, and much more satisfaction!
在付出同样的努力的基础上，你会获得两倍，四倍甚至八倍的成果和更多的满足感。
They studied 1,433 healthy people aged over 65 living in the south of France, who underwent cognitive tests at the start of the study in 1999-2001 and again two, four and seven years later.
他们研究了居住在法国南部65岁以上的1433名健康老年人，并让他们在1999- 2001年研究的开始和两年、四年、七年后分别进行认知测试。
They studied 1, 433 healthy people aged over 65 living in the south of France, who underwent cognitive tests at the start of the study in 1999-2001 and again two, four and seven years later.
他们研究了居住在法国南部65岁以上的1433名健康老年人，并让他们在1999- 2001年研究的开始和两年、四年、七年后分别进行认知测试。
A study by Berninger found that in grades two, four, and six, children wrote more words, faster, and expressed more ideas when writing essays by hand than when typing on a keyboard.
贝尔宁格的研究发现，二年级、四年级以及六年级的孩子，与打字相比，他们手写的单词量更大，速度更快，并能表达更复杂的思想。
Two, four, six or more people can dance at the same time with no regard to age or gender.
可以双人、四人、六人或多人跳。不分年龄和性别。
Alternate embodiments may have two, four or more dowel sections.
可选实施例可以有两个、四个或者更多销钉段。
What you'll do is every day for the next 30 days give me one cent, next day two, four, eight and so on.
你们要做的是在未来30天给我一分钱，第二天二分，然后是四分，八分，以此类推。
At the ages of two, four and five, they chose pink less often than you'd expect based on random choices.
无论是两岁还是四五岁，他们选择粉色物件的概率都低于基于随机概率的预期。
A piece may require two, four or sometimes six weeks of constant hammering before it is finished.
一件作品需要2到4周，甚至是6周的持续敲打才能成型。
A TAB character, on the other hand, can be interpreted different ways — as two, four, six, or even eight Spaces, depending on the platform or tool being used.
另一方面，制表符可以有不同的解释方式，根据所使用的平台或工具，可以解释为2个、4个、6个甚至8个空格。
A TAB character, on the other hand, can be interpreted different ways — as two, four, six, or even eight Spaces, depending on the platform or tool being used.
另一方面，制表符可以有不同的解释方式，根据所使用的平台或工具，可以解释为2个、4个、6个甚至8个空格。
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