卵巢发育、卵巢成熟系数和卵巢壁厚度随季节呈年周期变化。
The ovarian development, the coefficient of maturation in the ovary and the thickness of ovarian wall all showed annual changes.
卵巢发育、卵巢成熟系数和卵巢壁厚度随季节呈年周期变化。
The ovarian development, the coefficient of maturation in the ovary and the thickness of ovarian wall all showed annual changes.
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