• 特定年龄生命分析拥挤对白飞虱综合影响程度比对电光叶蝉小。

    Age specific life table analysis showed that the integrated effect of crowding on ZLH is stronger than on WBPH.

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  • 武夷山自然保护区南方铁杉种群动态进行了系统研究,绘制种群的年龄结构,编制静态生命分析存活曲线死亡率曲线损失度曲线。

    The population dynamic of Tsuga tchekiangensis in Wuyishan Nature Reserve was studied and its age structure, the life table, survival curve, mortality rate and killing power curve were analyzed.

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  • 组建了以作用因子为组分夏季自然种群生命,并运用排除作用控制指数分析了各种因子假茎象甲自然种群的作用。

    The active factor life tables of BPW natural population were constructed. The controlling effect of active factors was evaluated by using exclusion index of population control (EIPC).

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  • 简要介绍了保险使用经验生命历史种类中国一回经验普通生命表作了对比分析

    This paper briefly introduces the history and kinds of experience life table used in insurance business, and compares the first experience life table with general table of China.

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  • 方法相同条件下采用生命方法方差分析

    Methods: Under the same conditions, the method of life table and analysis of variance was used.

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  • 通过银杉主要群落种群数量统计年龄组成的分析,编绘了银杉种群的特定时间生命存活曲线和年龄结构图。

    The time specific life table, survivorship curve and age structure of Cathaya argyrophylla population were obtained through analysing the demography and age structures of its main coenopopulations.

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  • 通过银杉主要群落种群数量统计年龄组成的分析,编绘了银杉种群的特定时间生命存活曲线和年龄结构图。

    The time specific life table, survivorship curve and age structure of Cathaya argyrophylla population were obtained through analysing the demography and age structures of its main coenopopulations.

    youdao

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