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So, the density of primary basaltic magmas is a important criteria to distinguish geodynamics settings in which magmas formed.

原生岩浆密度可作为判定岩浆产出的地球动力学背景的重要标志之一。

Stepping stones into the sea, these basaltic columns of the Giant's Causeway in Northern Ireland formed from volcanic activity some 50 million to 60 million years ago.

供踏脚的石头到海洋里，这些玄武岩的柱状物的巨大的堤道在北部的爱尔兰形成的从火山的活动约5000万年到6000万年以前。

Photo Gallery: Rocks Stepping stones into the sea, these basaltic columns of the Giant's Causeway in Northern Ireland formed from volcanic activity some 50 million to 60 million years ago.

供踏脚的石头到海洋里，这些玄武岩的柱状物的巨大的堤道在北部的爱尔兰形成的从火山的活动约5000万年到6000万年以前。

In fact, a triangle formed for example, by the northern halves of two meridians and the section of the equator between them, will have two right angles at its base and an arbitrary angle at the top-a sum clearly greater than two right angles.

实际上，比如说，一个由北半球的两条子午线和它们之间的部分赤道组合成的三角形，将有两个直角作为底角，还有一个为任意角度的顶角-很显然它的内角之和比两个直角和要大。

Here have formed in about 14 million years ago to 3 million years between the Mesoproterozoic Jixian System Yunmeng Mountain Group - Upper Carboniferous Taiyuan Formation, exposed systems and complete; has Archaean - Early Mesoproterozoic basement, but also has the typical structure of relics, such as the basement Archaean gneissic complex structure, Early Mesoproterozoic supracrustal rocks at the end of secluded fornix structure, super-nappe cover, ductile shear zone tectonics, ductile - brittle deformation structure of brittle fault cleft construction, single-sided Hill Construction, as well as the cap structure of the collapse, landslides and other structure.

这里有形成于距今约14亿年～3亿年间的中元古界蓟县系云梦山组—上石炭统太原组地层，出露系统而完整；有太古界—早元古界基底，还有典型的构造遗迹，诸如基底太古界片麻杂岩构造，早元古界表壳岩的底僻穹窿构造，盖层的超覆构造，韧性剪切带构造，韧-脆性变形构造，脆性断裂构造，单面山构造，以及盖层中的垮塌构造，滑坡构造等。

Sterigmata A fingerlike projection upon which spores are formed in most basidiomycete fungi.

担孢子梗：是大多数担子菌所具有的指状突起结构，其上着生担孢子。

As Tibetan Plateau is affected by tectonic activity and climate, many geomorphologic units emerge, such as rugged summits which are formed by obduction, extensive basins with high altitude and low relief, as well as basin-range system made up of linear range and intermountain basin.

青藏高原受不同体制的构造作用控制及气候影响，既发育由逆冲推覆作用形成的高峻山峰，也发育地形起伏小、海拔高度大的宽阔的盆地高原，还发育特征的由线状山脉与山间盆地组成的盆山系统。

How is the Sichuan Basin in China formed?

中国的四川盆地是怎样形成的

Basing on the understanding to Current Status of development and future trends, the thesis is formed as follows.

因此，建立一套有效的高校勤工助学基金管理体制和运行机制是学生事务管理的重中之重。

The cultural attribute of basketball has been recognized, but a generally recognized definition of basket-ball cultures has not been formed, and there are divergences in the study of the concept and structure of basketball cultures.

摘 要：篮球运动的文化属性已被学界认可，但是篮球文化的公认定义并没有形成，对篮球文化的概念及结构的研究还存在分歧。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。