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。
There are four apartment buildings, divided into two groups of two, and there are a total of eight snipers on top of them.
关卡中有4幢公寓楼，被分为两组，两两相聚。
The blocks have a ground floor and four more storeys, each one with six dwellings, four of which are three-bedroom flats and two two-bedroom ones.
大楼有一层和另外四层，每层有六套住所，其中四套是三居室公寓，两套是两居的。
There are four buildings in campus. Two of them are teachingbuildings. The other two are library and gym.
学校共有四栋建筑，两栋是教学楼，另外两栋分别是图书馆跟体育馆。
There are some different ways of arranging porting for the four-valve diesel engine, such as two helical intake ports, two tangential intake ports or one helical port and one tangential port etc.
四气门柴油机进气道可以选用不同类型的进气道进行组合，如二个螺旋进气道、二个切向进气道或一个切向进气道一个螺旋进气道等。
In compatibility, there are four operating modes, including two feedback and two non-feedback modes to accommodate different encryption requirements.
在兼容性方面，设计了四种工作模式，包括两种反馈，两种非反馈模式以适应不同的加密工作需求等。
There are two sites gay he Zangmu, respectively Maizhuo two men and four women, generally considered to be matriarchal clan community Zangsu.
遗址有两座同性合葬墓，分别埋着两个男子和四个女子，一般认为是母系氏族社会的葬俗。
There are four buildings in campus. Two of them are teaching buildings. The other two are library and gym.
学校共有四栋建筑，两栋是教学楼，另外两栋分别是图书馆跟体育馆。
In addition to the exams, you are also required to submit a total of four discussion papers - two due before the mid-term and two after - in which you analyse a primary source.
除了考试之外，你还必须缴交总计四篇有关课文分析的讨论报告，期中考前后各交二篇。
The College facilities are very good with a stage, multipurpose hall, two music rooms, three science laboratories, three ICT rooms, two libraries and four art areas.
学校设备完善，包括一个附有舞台的多功能礼堂、两间音乐室、三间科学实验室、三间电脑室、两间图书馆和四间美术室。
But the new study posits that there are actually four distinct air masses, two north of the equator and two south.
但是，新的研究认为实际存在四种不同的大气团，即赤道以北两个，赤道以南两个。
The deck area that is generated on the wooden arches are built with four layers of strips of wood placed in different directions: two-layer insulation of rock wool and two layers.
甲板面积即在生成的木拱门与4层放置在不同的方向的木条：两层和2层岩棉保温兴建。
The facilities are four airconditioners, two TVs, two washing machines, three beds, one set of sofa, three set of garderobles, one dining-table and other accessories. see the attachment for details .
家具有四个空调、两个电视、两台洗衣机、三个床、三套衣柜、一套沙发、一个餐桌和其他附属家具。
The last row has four compartments, two middle ones with LIDS and two corner ones with round back slot to let you stand your cell phone and MP3 player as they are charging.
最后一行有4个槽位，中间两个有盖，另外两个背角的有圆槽的，可以放置你的手机和MP3播放器，同时它们可以进行充电。
The last row has four compartments, two middle ones with LIDS and two corner ones with round back slot to let you stand your cell phone and MP3 player as they are charging.
最后一行有4个槽位，中间两个有盖，另外两个背角的有圆槽的，可以放置你的手机和MP3播放器，同时它们可以进行充电。
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