1. Further research proved that, although it had not been seen for more than half a century, it had a very good provenance. 进一步的研究发现，地毯有个令人满意的来源，尽管它已有半个多世纪没向世人露面。
2. Another interesting generalization arose from the provenance tests of the four species mentioned in the previous section. 从前节所讨论的四个树种的种源试验中，还可得出另一有趣的规律。
3. The data of sandstone thin section, heavy mineral and rare earth element combining with the former research efforts are applied to analyze the provenance of Chang 8 period in Jiyuan area. 利用砂岩薄片鉴定、重矿物及稀土元素等资料，并结合前人的研究成果，对鄂尔多斯盆地姬塬地区延长组长8时期的物源进行了分析研究。
英英解释
n.
1. where something originated or was nurtured in its early existence
