根据体重的频次分布特征并参照发育与繁殖状况制订年龄划分标准。
Age groups were divided according to the frequency distribution characteristics of body weight and the developmental and reproductive status.
据法新社3月29日报道，加拿大渔业部长洛约拉赫恩在一份声明中表示，该国圣劳伦斯海湾地区的南部是海豹的主要繁殖地，由于目前那里“海上浮冰的状况非常糟糕”，所以今年确定的猎杀数量较之去年减少了6.5万只。
The harvest is down 65,000 from last year due to "poor ice conditions" in seal breeding grounds in the southern Gulf of St. Lawrence, Minister Loyola Hearn said in a statement.
据法新社3月29日报道，加拿大渔业部长洛约拉赫恩在一份声明中表示，该国圣劳伦斯海湾地区的南部是海豹的主要繁殖地，由于目前那里“海上浮冰的状况非常糟糕”，所以今年确定的猎杀数量较之去年减少了6.5万只。
The harvest is down 65, 000 from last year due to "poor ice conditions" in seal breeding grounds in the southern Gulf of St. Lawrence, Minister Loyola Hearn said in a statement.
此前的研究表明，动物的繁殖成功率会受到动物在生命早期阶段营养状况的影响。
Previous research has shown that the reproductive success of animals is influenced by nutrition early in life.
一只低质量繁殖或是很糟糕状况下成长的幼犬，无论多么便宜，不要选择！
A poorly-bred, badly-raised puppy, no matter how cheap, is no BARGAIN!
研究表明，HL60细胞的生物光子强度反映了细胞繁殖规律性及新陈代谢状况。
The result shows that biophotonic intensity of HL60 cell reflect the basic regularity of cell breeding and metabolism.
研究中以个案研究为主，把S医学院教师分为近亲和非近亲两个类别进行对照来考察近亲繁殖教师的科研产出状况。
Case study is performed on the S Medical College in China. In the case study, I divided all the faculties into two groups, inbred one and non-inbred one.
研究中以个案研究为主，把S医学院教师分为近亲和非近亲两个类别进行对照来考察近亲繁殖教师的科研产出状况。
Case study is performed on the S Medical College in China. In the case study, I divided all the faculties into two groups, inbred one and non-inbred one.
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