1. The quipu was used by the Inca civilization to keep track of their various resources and records.
这种吉普编码系统被印加文明用来追踪他们各种资源和记录。
2. Historians are still studying and deciphering the meaning of the different patterns on the quipu.
历史学家们仍在研究和解读吉普上的不同模式的含义。