Various geochronometric methods have been applied to dating of important geologic events in complex Archean terranes.

Such low levels of sulfate indicate that the Archean atmosphere was virtually devoid of oxygen.

如此低的硫酸盐浓度,表示太古代大气中的氧气极为稀薄.

The redelimited Jiapigou gold-concentrated area is composed of Archean granitoid-greenstone belts and high grade metamorphism areas.

重新界定的夹皮沟金矿集中区包括了太古宙花岗 - 绿岩带和高级变质区两个组成部分.

It is much more complex and difficult to study Archean stratigraphy than Phanerozoic stratigra-phy.

太古宙地层与显生宙地层相比,具有很大的复杂性,研究难度大.

The Hongtoushan copper-zinc deposit was formed in submarine volcanic eruptions-sedimentary environment in Archean intracratonic rift trough.

红透山式铜 - 锌矿床形成于太古代克拉通裂谷槽盆中海底火山喷发 - 沉积环境.

It's 100 % pure natural and is extracted from an archean plant -- Ginkgo Bibloba Tree.

100%纯天然,提取自太古代望族植物 公孙 树.

Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.

长英质片麻岩是太古宙变质杂岩区最主要的岩石类型.

Their source is the Archean Group.

它们皆为S型,其源岩为太古界.

The materials required in making the lattice patterns are mainly bricks, wood and arched roof tiles.

花窗的制作材料主要取自砖木和瓦等材料.

Small, old, dingy. An arched window with a view of Congress Street. Traffic noise floats up.

窄小 、 破旧 、 脏乱, 一扇朝向议会大街的窗子, 街道的嘈杂声传上来.

Early archegonial development is already evident two weeks after pollination.

颈卵器的早期发育在授粉后两周内就业已明显.

Venter The swollen base of an archegonium that contains the egg cell ( oosphere ).

颈卵器)腹部:颈卵器内含有卵细胞 ( 卵球 ) 而向外膨大的基部.

The archegonium is generally reduced in nature.

颈卵器在性质上一般是简退的.

For example, the archegonium ( female organ ) of the moss Funaria secretes sucrose.

例如藓类颈卵器 ( 雌性器官 ) 分泌蔗糖.

After the police finds, archenemy, catch him immediately, regard as the major suspect sends Paris.

警察发觉后, 如临大敌, 马上把他抓起来, 当作重大嫌疑犯送到巴黎.

Must remember: Is loaf is the beautiful archenemy!

要记住: 偷懒是美丽的大敌!

He actually made friends with his archenemy, Doune.

他竟同自己的死敌唐恩结成了朋友.

Stays up late is the skin health care archenemy.

熬夜是皮肤保健的大敌.

Conceit and complacency are the archenemy of unity.

骄傲自满是团结的大敌.

Those who are studious archeological like Peiping because there are many old books and antiques.

好学的,爱古物的,人们自然喜欢北平,因为这里书多古物多.

And they examined archeological information and other historical records for twelve coastal areas.

同时他们检测了12个沿海区域的考古信息及其他历史记录.