以上来源于: WordNet
In reality, the roots of our situation go back 6, 000 years to the radical changes in lifestyle that came about with the introduction of farming.
实际上，是6000年前，引进农业耕作所带来生活方式的剧变造成了我们的这种情形。
The corresponding polymer-incorporated zirconium catalyst 6 was obtained by the co-polymerization of the olefin group of catalyst 4 with styrene in the presence of a radical initiator.
在引发剂的作用下，配合物4和苯乙烯进行自由基共聚，得到高分子化催化剂6。
Effects of acute hypervolemic hemodilution with 6% hydroxyethyl starch 200/0.5 or 130/0.4 before operation on hemorheology in patients undergoing radical operation for colon tumor.
羟乙基淀粉200/0.5和羟乙基淀粉130/0.4术前急性高容量血液稀释对结肠癌根治术患者血液流变学的影响。
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