通过对文献的系统综述，评价粮食税和补贴对饮食、体重和健康的影响。
To assess the effect of food taxes and subsidies on diet, body weight and health through a systematic review of the literature.
对我国护理管理的体制、理论、对象、方法、内涵及评价等方面进行了综述。
A review was made on system, theory, object, method, connotation and evaluation of hospital nursing administration in our country.
第二章综述有关形成性评价的文献，分别涉及人本主义、建构主义和社会互动的理论与实践。
Chapter Two is a review of literature on formative assessment, in which three concepts, namely: humanism, constructivism, and social interaction are discussed respectively.
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