英语词汇natural mortality coefficient怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	natural mortality coefficient
释义	natural mortality coefficient 简明释义自然死亡系数网络释义 1 ?自然死亡系数公布中文名称：自然死亡系数英文名称：natural mortality coefficient 其他名称：瞬时自然死亡率定义：由敌害、疾病、衰老等自然因子引起的瞬时死亡系数，其数值为总死亡系数与捕捞死亡系数之差。应用学科：水产学（一级学科）短语 1 coefficient of natural mortality 自然死亡系数 2 instantaneous coefficient of natural mortality 瞬时自然死亡系数双语例句 1 A new method for estimating fish natural mortality coefficient (m), based on the extended survivors method, using a catch-at-age data and an abundant index (catch per unit effort, CPUE) was proposed. 基于扩展残存资源量法，提出一种根据分年龄组渔获量以及资源量指数(单位捕捞努力量渔获量，CPUE)求算鱼类的自然死亡系数(M)的新方法。
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