Three principal components were obtained,in which the number and diameter of the large,medium and small papillae on the long cells,stomatal density contributed most variance.
主成分分析后得到3个在各个性状因子中贡献率最大的主成分,分别是中央长细胞大乳突、中乳突及小乳突的数目、大小,气孔密度。
参考来源 - 杂草稻和栽培稻叶片下表皮结构特征的观察及聚类分析The number of the preventriculus papillae doesn't changes in a orderly way, with an average 55.8 papillae in males and 57.4 in females.
7.腺胃乳头数变化规律不甚明显。 公母鸡乳头平均数分别为55.8、57.4。
参考来源 - 父母代固始鸡消化器官发育与体重变化关系的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The projections are called papillae.
这些突起的结构叫做“papillae”。
If it wants to have a smooth texture, it flattens out the papillae, so it can acquire a smooth texture to blend in with the sandy bottom of the sea.
如果它想要纹理光滑一些，它就把身上的“触头”变得平整，这样它看上去就会很光滑，能够融入海底的沙地中。
Aubrey: Little bumps called papillae.
奥布里：这些小疙瘩叫乳突。
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