This experiment was designed to study the effects of re on the feed intake , digestion , feather and spirit of the mice , to research the dynamic rules of the re " s assimilation , distribution , elimination , and to study the security of re , so as to offer some theoretical basis for livestock and poultry 本试验旨在研究不同剂量的稀土对小白鼠采食、消化、毛色、精神面貌等方面的影响，探讨稀土在小白鼠体内吸收、分布和消除的动态规律以及稀土的安全性问题，为稀土在畜牧业中的合理利用提供一定的理论基础。
Not only the generals in their full parade uniform , wearing scarves and all their decorations , with waists , portly and slim alike , pinched in to the uttermost , and red necks squeezed into stiff collars , not only the pomaded , dandified officers , but every soldier , with his clean , washed , and shaven face , and weapons polished to the utmost possibility of glitter , every horse rubbed down till its coat shone like satin , and every hair in its moistened mane lay in placeall alike felt it no joking matter , felt that something grave and solemn was going forward 不仅是将军都全身穿着检阅制服，他们那粗大的或是细小的腰身都束得很紧，衣领衬托着脖子，托得通红，腰间都系着武装带，胸前佩戴着各种勋章不仅是军官抹了发油，穿戴得时髦，而且每个士兵都露出一副精神充沛的洗得干干净净的刮得光光的面孔，每个士兵都把装具擦得锃亮，每匹战马都受到精心饲养，毛色像绸缎般闪耀着光彩，湿润的马鬃给梳得一丝不紊。
