描述了水果放置在成熟室时影响成熟度的因素、水果放置在成熟室、水果加热、成熟阶段、乙烯作用、成熟后的储存温度、供应给零售商时的成熟度，以及成熟缺陷的原因。

Describes factors influencing the degree of ripeness when the fruits are placed in the ripening room, the placing of the fruits in the ripening room, the heating of the fruits, the phases of ripening, the action of ethylene, the storage temperature after ripening, the degree of ripeness at the time of supply to the retailer, and causes of defective ripening.