不作为犯罪一直是刑法学理论争议比较多的问题之一，而不作为犯罪的作为义务来源应是争议的焦点和难点。

Negative crime has been the problem of the more controversial issues of the criminal law theory, as the source of obligations of negative crime should be the focus and difficulty.

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第二部分主要是不作为犯罪的作为义务来源之理论与评析。

The second component is about the theory comments and analysis of obligation source of negative crime.

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合同行为和自愿行为引起的义务，道德义务等不应成为不作为犯罪的义务来源。

Duty caused by law-action and duty in morality should not be considered the source of the duty of the non-action crime.

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