The study of the Jehol Biota has a long way to go, while the scientific administration and protection of the fossil sites remains a pressing issue.
The study of the Jehol Biota has a long way to go, while the scientific administration and protection of the fossil sites remains a pressing issue.
热河生物群的研究还具有很大的潜力，而对化石的科学发掘和保护的任务还十分艰巨。