在这个领域的课程包括营养评价，营养培训方法，公共管理，书写申请拨款建议，以及相关的课程。

Classes in this field include nutritional assessment, nutrition education methods, public administration, grant writing, and related subjects.

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该方法的主要特征是它在编制预算时从头开始，也就是说，每一个要求预算拨款的部门都要说明其要求存在的合理性。

The major characteristic of this method is that it starts budgeting from the beginning. Thus, each department requesting an appropriation has to justify the very existence of the expenditure request.

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