1. 秦至东汉中期,我国农业生产仍处于由、锸向犁过渡时期。
The period from the Qin to the early Eastern Han dynasty saw a transition in Chinese agricultural production from farming with hoes and spades into farming with ploughs.

来自互联网

2. 秦至东汉中期,我国农业生产仍处于由、锸向犁过渡时期。
The period from the Qin to the early Eastern Han dynasty saw a transition in Chinese agricultural production from farming with hoes and spades into farming with ploughs.

来自互联网