It has been estimated that an additional one-fourth of the Earth's land surface is threatened by this process.
据估计,地球表面另外四分之一的土地正面临沙漠化威胁。
The bulk of major problems should be identified by this process.
大部分主要问题应该在这一过程辨认出来。
By this process enormous amounts of mud and rock are moved from the land to the sea.
通过这一过程,巨量的泥沙和石块从陆地移入海洋。
"This process is best exemplified by the case of Yemen - a regime whose leaders have been in power for 31 years - that has alienated sectors of the society itself.
VOA: standard.2010.05.19
The pasting back together occurs partly naturally by this process of hybridization, but hybridization only re-establishes the base pairing.
片段和载体的重新粘合一定程度上,是通过杂交自然发生的,但杂交只能重建碱基配对
Here's a way that you can do it in a test tube without using any cells by this process called Polymerase Chain Reaction.
但有一个方法可以让你在试管中完成,不用细胞,这个方法叫聚合酶链式反应
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