人员易接近的热表面和冷表面应作标记或加以机械防护。
Hot and cold surfaces that are accessible to personnel should be identified by sign or mechanically guarded.
就我国水稻苗期耐冷性的鉴定与评价、遗传、分子标记和育种与选择效应等方面的研究进展进行了阐述。
Advances in identification and remark, inheritance, molecular marker breeding and selective effect of tolerance to cold of rice at seedling stage in China are reviewed.
本文介绍了剪鳞标记、热烙标记、冷“烙”标记、标签标记以及涂色标记等。
This is introducing: scale clipping, branding, cooling "brand", tagging and painting and all marking techniques of the snakes.
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