啊，数学和自然科学系，你们没事，对的。

Uh, Math and Science majors, you guys are cool, ya.

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卢曼的社会系统论是对现代社会进行分析的理论产物，其理论根源是自然科学系统论。

Luhmann's social systems theory is an analysis of modern society, whose root is the theory of natural systems.

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据莫西学院自然科学系马里奥·西阿尼博士(Dr . MarioCiani)表示，产生愉悦感的平均用量通常在1至3克之间。

According to Dr. Mario Ciani, chair of Mercy College's Natural Science Department, average recreational doses average between 1 and 3 grams.

youdao

据莫西学院自然科学系马里奥·西阿尼博士(Dr . MarioCiani)表示，产生愉悦感的平均用量通常在1至3克之间。

According to Dr. Mario Ciani, chair of Mercy College's Natural Science Department, average recreational doses average between 1 and 3 grams.

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