Methods Trap-at-night method was used to estimate the size of rodent community, and its structure was analyzed with statistical method.
方法采用夹夜法调查鼠类种群数量，采用统计学方法对群落构成进行分析。
Methods Night trap method was used to supervise rats density, taking synthetic measures for prevention and control.
方法监测鼠密度采用鼠夹法，实施综合性防治措施。
Methods Sequential investigation into the density and population of rodents in the Yichang section of the Three Gorges area had been implemented with the trap-night method since 1959.
方法自1959年以来连续在三峡库区宜昌段用夹夜法调查鼠类种群及密度。
Methods Sequential investigation into the density and population of rodents in the Yichang section of the Three Gorges area had been implemented with the trap-night method since 1959.
方法自1959年以来连续在三峡库区宜昌段用夹夜法调查鼠类种群及密度。
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