例句與造句

1. After the dissolution of the Soviet Union, the Cossacks made a systematic return to Russia.
2. The first wave of systematic returns occurred in June November 1946, interrupted until May 1947.
3. The rephotographic method, with its rigorous demands for systematic return, exact replication of vantage point, angle of view, and lens choice, had emerged originally out of the need for scientific evidence of change over time in ecological niches.
4. It's difficult to find systematic return in a sentence. 用systematic return造句挺難的