梨后代果心大小遗传与组合类型有关,小果心出现的比例从高到低的组合类型依次为:小×小、小×中、大×中.The fruit core size was related to the crossed combinations.低温可有效的延缓果心褐变的发生.The result suggested that low temperature could postpone the appearance of browning.你所要做的就是把菠萝...

“果心”的英语可以翻译为：core ...