肉鸭尾脂腺功能、生长发育及其受旱养方式影响研究;
The Study on the Function and Growth of Meat Duck Preen Gland under Diffe…
本文还研究了该鸟体重和翅长,体重和尾脂腺,体重和嘴峰的相关关系,并以数学公式进行模拟。
This paper also deals with the relationships between weight and length of the wing or the urophygeal gland and are simulated bv mathematical formulae.
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