“The fossil record continues to show that the origin of modern placental mammals postdates or is at the Cretaceous-Paleogene boundary, ” he said.

他说：“化石记录一再证实现代胎盘类哺乳动物的起源是在白垩纪-早第三纪分界点的时候或那之后。

youdao

This is 14-year-old young, use a vivid image record life, more let network, became demonstration the his eye middle period boundary of fascinating window way.

这位14岁的少年，用生动的影像记录着生活，更让网络，成为了展示他眼中世界的精彩窗口。

youdao

This paper expounds the settlement and the meaning of the boundary point in the measure of land record, house property, and introduces two ways of measure, namely direct way and indirect way.

阐述了地籍和房产测量中界址点的标定及其意义，介绍了界址点的两种测量方法，即直接法和间接法。

youdao

This paper expounds the settlement and the meaning of the boundary point in the measure of land record, house property, and introduces two ways of measure, namely direct way and indirect way.

阐述了地籍和房产测量中界址点的标定及其意义，介绍了界址点的两种测量方法，即直接法和间接法。

youdao