目的探讨青年士兵心理应激因素。

Objective To study the mental stressor of youth soldiers.

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目的了解湖南省高中学生心理应激因素的来源、影响范围和程度。

Objective: to explore the source, influencing scope and extent of psychological stressful factors in senior high school students in Hunan.

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背景：近年来临床和流行病学相关研究都证实部分口腔疾病的发生与心理应激因素相关。

BACKGROUND: It has been verified in relevant clinical and epidemiological researches in recent years that a part of stomatopathy is associated to psychological stress factors.

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