期间

Apprize the limousine service comany if the renting period will be for a lesser run or a greater distance so as to ensure you get the most suitable limo .

的豪华汽车服务comany如果租用期间，将由较低的运行或更大的距离，从而确保您获得最合适的豪华轿车。

A student who is maintaining status may transfer to another Service approved school by following the notification procedure prescribed in paragraph(8) of this section.

上面这段的意思是，转学期间你不能待在美国，除非你在新学校的课程在转离原来学校的5个月内开始。

Malondialdehyde accumulated in protoplast of mesophyll cell of Arachis hypagaea during the cell wall digestion in enzyme solution.

植物原生质体分离期间，所用细胞壁降解酶和高渗介质对细胞生理影响甚大，其不良因素首先反应在膜的变化上。

The letter requested that Ms. Arbour meet with private groups involved in human rights during her five-day stay in China.

这封信请求Arbour 夫人在她的五天访问期间，会见与人权有关的私人组织。

The museum of the archbishopric of Cologne combines multiple levels of history - the ruins of the Gothic church of St. Kolumba, destroyed during World War II, a chapel built in 1950 to enclose a late-Gothic statue of the Virgin that survived the war, an archeological excavation conducted in the 1970s that discovered Roman and Medieval remains.

博物馆科隆大主教多层次相结合的历史-废墟中的哥特式教堂圣Kolumba ，销毁二战期间，一个小教堂建于1950年附上晚期哥特式雕像的美属维尔京说，幸存的战争，一个考古挖掘中发现了上世纪70年代古罗马和中世纪遗迹。

Temperatures during the Archean were at least as high as they are today, despite the weaker sun, he says.

他说，尽管当时的阳光较弱，太古代期间的温度至少跟现在一样高。

Based on the ratio of the minerals, the team reports in tomorrow's issue of Nature that CO2 levels during the Archean could have been no higher than about 1000 parts per million—about three times the current level of 387 ppm and not high enough to compensate for the weak sun.

根据两种矿物的比例，研究小组在明天出版的《自然》杂志上报道说：在太古代期间，二氧化碳的水平决不会高于大约百万分之一千（1000ppm）——大约三倍于目前的水平（387ppm），不足以弥补阳光的弱势。

Based on the ratio of the minerals the team reports in tomorrow's issue of Nature that CO2 levels during the Archean could have been no higher than about 1000 parts per million—about three times the current level of 387 ppm and not high enough to compensate for the weak sun.

根据两种矿物的比例，研究小组在明天出版的《自然》杂志上报道说：在太古代期间，二氧化碳的水平决不会高于大约奥︱分之一千（1000ppm ）——大约三倍于目前的水平（387ppm ），不足以弥补阳光的弱势。

Sagan and his co-author George Mullen hypothesized that carbon dioxide (CO2) concentrations were much higher during the Archean—possibly 100 times higher than they are today—and therefore the atmosphere could retain enough heat to keep the planet from freezing.

萨根及同事乔治·马伦提出假设：在太古代期间，二氧化碳浓度要高得多——可能比现在高出100倍，因此大气中可能保留了足够的热量，使地球免于冻结。

During early embryogeny, four tiers of cells are produced near the lower end of the archegonium.

在早的胚形成期间，细胞的四列在造卵器的下端的附近被生产。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。