Profound differences in the geologies of Earth and Mars might stem -as two scientists are now suggesting -from Mars' developing only two to four million years after the birth of our solar system.
根据两位科学家现在的估测,地球和火星之间巨大的地理性差异可能是因为在太阳系形成后,火星的成长史只有短短的二百万到四百万年。
Profound differences in the geologies of Earth and Mars might stem - as two scientists are now suggesting - from Mars' developing only two to four million years after the birth of our solar system.
根据两位科学家现在的估测,地球和火星之间巨大的地理性差异可能是因为在太阳系形成后,火星的成长史只有短短的二百万到四百万年。
In this example, there are two instances of Name elements and two instances of Userid elements in the first occurrence of Group, making a total of four elements.
在这个示例中,第一个Group中有两个Name实例和两个Userid实例,一共有4个元素。
The salary and pension cuts, plus a two percent increase in sales tax are aimed at reducing the country's deficit by four percent this year.
VOA: standard.2010.03.11
As you may know, there's yet another organization where we could group this in units of four but for all intents and purposes-- there are a few nuances to it-- four is simply a multiplication of two.
也许你知道的,还有另外一种组织方式,我们可以四拍一组,但是不论出于什么动机或者目的,这其中的区别甚微,四拍就是两拍的简单相乘
They're irrational numbers and these irrational numbers like to move to rational numbers; they like to move to consonances; they like to move to intervals that are based on things such as two to one and three to two or maybe four to three.
它们是无理数,而这些无理数想要变为有理数,它们想变成和谐音,就要根据一些比率改变音程,比如二比一,三比二,或四比三的比率
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