The working time is long and the working intensity is high in strawberry production.
草莓生产不仅劳作时间长，而且劳动强度大。
Light intensity is a major limiting factor for cold season production of melon.
光照强度是甜瓜反季节生产的主要限制因子。
Light intensity is a major limiting factor for cold season production of melon.
光照强度是甜瓜反季节生产的主要限制因子。
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