Seat the telescope on the tripod.

把望远镜安装在三脚架。

Make sure the tripod is stable.

要把三脚架放稳。

S-the telescope on the tripod.

把望远镜安到三脚架。

After inquired about the tripods in the Central Plains in the mid-seventeeth cetury, the Manchus took wiser tactics than that of the Mongols and Tuobaxianbei .

满族挥师入关,鼎中原之后,采取了与拓跋鲜卑和蒙元统治者均有所不同,而更见高明的统治策略。