Conclusions: C-shaped canals in mandibular second molars vary in canal number and shape.

结论：下颌第二磨牙的C形根管在根管的数量和形态有较大变化。

youdao

No matter what plant or animal, the chromosome in its karyon has a certain number and shape.

无论是动物还是植物，其细胞核内的染色体，不仅具有一定的数目，而且还有一定的形状。

youdao

This allows the organizer to control the number and shape of the bones that ultimately make up a digit.

这样“组织者”细胞群就可以对最终形成趾的骨骼的数量和形状进行控制。

youdao

Standards agreed upon parameters such as the size and shape of electrical outlets, the number of threads per inch on machine bolts, or the tolerances allowed for various medical tests may seem arcane or abstract.

WHITEHOUSE: Office of Science and Technology Policy Blog

"I always got people focused on their bodies rather than on a number and make them more aware of their muscle tissue, their shape, " he said.

CNN: Thin is in, but fat might be better

As the economic recovery began taking shape last fall the number of temp jobs began rising and had averaged a monthly increase of 41, 000 since October.

FORBES: Jobs Report Shows Serious Problems For Recovery