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.
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