Knowing about the features and application of different kind of resin. Grasping the experimental process and reaction mechanism of resin distinction.
了解不同类型树脂的特性与用途，掌握树脂类型鉴别的实验方法与反应原理。
The lemur-like skeleton features primate-like characteristics, including grasping hands, opposable thumbs, clawless digits with nails, and relatively short limbs.
这种象狐猴一样的骨骼特征类似灵长类，包括爪形手、可对立的拇指、带指甲的无爪指和相对短的肢体。
The lemur-like skeleton features primate-like characteristics, including grasping hands, opposable thumbs, clawless digits with nails, and relatively short limbs.
这种象狐猴一样的骨骼特征类似灵长类，包括爪形手、可对立的拇指、带指甲的无爪指和相对短的肢体。
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