影响糖份累积的关键气象因子主要是光温积和气温日较差。
The key factors of sugar accumulation are of main light temperature accumulation and daily range of temperature.
根据贝叶斯判别准则，确定了两类蝗区夏蝗大发生关键气象因子的最佳临界距平值；
According to Bayesian rule, the best critical departure from normal value of the key meteorological factors for the outbreak of summer locust was determined by two kinds of ecological area.
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