However, it seemed better for nucleated pearl production to clean the mantle piece with sterilized sponge block or absorbent tampon than washing according to the appearance data.

• 这些差异，从统计学角度看没有明显区别，但从表观数据可见，无论是成珠率还是优珠率，育珠细胞小片用海绵块擦和脱脂棉球擦比不擦明显要高，表明小片不擦不利于有核珍珠的培育。