本文考订的是有关中俄关系中的两个问题 :一是 1 8世纪俄国留华学生的人数 ;二是《恰克图条约》的签订时间。一、1 8世纪俄国留华学生人数尼·伊·维谢洛夫斯基编著的《俄国驻北京传道团史料》第七章记载 :《恰克图条约》签订后 ,沙俄政府定期派遣学生随传教士团前来北京 ,到 1 This article examines two issues concerning the Sino-Russian relations: First, the number of Russian students studying in China in the 18th century; and second, the signing time of the “Chktutu Treaty.” I. Number of Students Studying in Russia in 18th Century After the signing of the “Treaty of Chhattu,” the government of the Tsarist Russia regularly dispatched students to missionaries with the mission of “Missionary Materials of the Russian Mission in Beijing,” edited by Niy Vishlovsky. The group came to Beijing, to 1