Crown melons have four grades: fuji, yama, shiro, and yuki.

皇冠瓜有等：fuji、yama、shiro和yuki。

55% of the melons make shiro grade, the third grade, 25% are yama, and 0.1%, or one in 1,000 of all melons harvested, are graded as fuji, the highest grade possible.

55% 的甜瓜为 shiro ，即第三，25% 为山瓜，0.1% 或每 1,000 收获的甜瓜中有一被评为 fuji，可能是最等。