The limitation of the single-effect LiBr absorption chilling circle driven by the low temperature solar energy heat source require adopting auxiliary means for proper operation.
由于单效溴化锂吸收制冷循环受太阳能热源温度较低的限制，需要采用适当的辅助手段。
The significantly rising temperature in winter delay the beginning dates of growing season because of the reduction of chilling requirement.
冬季温度的显著上升，使植物低温需求量被满足的时间延长，从而使开始日期推迟。
Effects of chilling, protected culture and gibberellin combined with low temperature on flowering and new bulb reproduction of Asiatic hybrid lily were studied.
以亚州百合为试材，探讨了低温冷藏、设施栽培和赤霉素结合低温处理对亚洲百合开花及新球繁殖的效应。
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