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在自动控制温度和光照长度的小室内，采用二次回归通用设计．对截形叶螨的生长发育进行了研究．结果表明：从完成一个世代的发育历期来看，温度和光照长度之间存在着正向互作关系；温度的作用明显大于光照长度的影响；在32.5℃、12小时光照条件下完成一个世代所需的时间最短．其值为57天.
In the automatic control of temperature and light length of the small room, using quadratic regression common design. The growth and development of truncated spider mites were studied. The results showed that there was a positive interaction between temperature and light length in terms of the developmental period of completing one generation; the effect of temperature was significantly greater than that of light length; one generation was completed at 32.5 ℃ and 12 hours light The minimum time required. The value is 57 days.