结论马斯洛的基本需要论和赫茨伯格的激励-保健双因素论，对提高护理管理水平具有指导意义和推广价值。

Conclusion Maslow's human essence demand theory and Herzberg's encouragement-health care double factor theory are of guiding importance in nursing management and should be popularized.

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罗尔斯顿在自然价值论中对人类采取了“双维度”的定位，既肯定了人类主体在自然中的重要性，同时也表明了生态系统的系统价值高于一切主体性价值。

In the theory of natural value, Rolston defined human with "double dimensions", confirming the importance of human in the nature and the overriding place of ecosystem as well.

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考虑四夸克态是双夸克和双反夸克的束缚态，在一相对论夸克模型下利用变分法计算了轻重四夸克态的质量。

Variational calculus is performed to calculate the masses of heavy and light tetraquarks within the framework of the relativistic quark model.

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