City is a kind of compound environment of artificial environment and geological environment.
城市是一种人造环境与自然环境的复合产物。
Have I done sufficient work on geological background and depositional environment?
自己是否做了足够的了解地质背景和沉积环境的功课？
Have I done sufficient work on geological background and depositional environment?
自己是否做了足够的了解地质背景和沉积环境的功课？
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