这一研究是与美国的克莱特曼和第门特等合作进行的。

This research was carried out in collaboration with Kleitman and Dement in the United States, among others.

youdao

这一研究是与美国的克莱特曼和第门特等合作进行的。

This research was carried out in collaboration with Kleitman and Dement in the United States, among others.

youdao