National professional standards is important reference index for the definition of high-skilled talents and its cultivation content.

国家职业标准是高技能人才界定及其培养内容的重要参考指标。

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Considering the current status of early rice cultivation in Hunan, meteorological risk of chilling in May was quantitatively evaluated by using its intensity index.

同时利用五月低温强度指数，结合湖南早稻种植实际情况，定量评估了基于早稻种植现状的五月低温的生产风险。

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