By tracing the ancient books and records and tomb-excavating diggings , we may say that fuzhou lacquerware was ripe in song dynasty .
根据典籍与墓葬发掘,可以说福州漆器成熟于宋代。
The object of prospecting rights is diverse , hierarchical and compound , and it displays some kinds of prospecting behaviors in certain diggings or workaround , so it is a kind of incomplete property right-administratively authorized right .
Dr simpson and his colleagues reject alternative explanations-that the diggings might have been scrapes created by dinosaurs seeking to mark their territories , or perhaps to give themselves dust baths to help clean their feathers , as their relatives the birds do to this day .
Along with small fossils such as pollen , seeds , insects , and snails , the team 's recent diggings have brought to light a rich layer of fossils of bats , songbirds , dodos , and extinct giant tortoises .