研究人员两年后测试了这些人的体重，同时还测试了别的一些身体系数如胆固朜水平，血压，骨强度及体脂百分数。

The researchers measured people's weight after two years, and also other factors such as cholesterol levels, blood pressure, bone strength, and body fat percentage.

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研究表明，随着钢纤维的体积分数增大，复合材料的分散系数和抗压强度增加。

The research indicated that dispersal coefficient and compressive strength of the composites increase with the volume fraction.

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因此，即使一部分数据位于关系表中，一些数据是XML，现在都可以在SQL查询、XQuery或这两者中在XML数据和关系数据之间进行动态联结。

Thus, even if some of the data is in relational tables and some is in XML you can now make dynamic joins between the XML and relational data from inside either the SQL query or the XQuery or both.

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