本试验是在冬季寒冷和牧草短缺的条件下，研究滩羊日粮中添加乙酸钠对其瘤胃及机体代谢的影响。
To find the influences of adding sodium acetate in diet upon Tan-sheep cud and organic metabolism, a trial was conducted in cold winter with a shortage of pasturage.
通过大量的资料分析、调研和现场试验，我们总结出适合寒冷地区建筑物屋面防水新工艺。
Based on a large qualities of data analysis and investigation and filed experiments, a new waterproof technique for building roof available for cold regions has been summarized.
少数试验表明，北佛罗里达变种确实需要经过某些寒冷的气候。
A few tests indicate that the north Florida variety actually needs exposure to some cold weather.
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