这是一种了解动物年龄的新方法。

It is a new way to learn the age of an animal.

youdao

但是，随着动物年龄的增长，这一机制每况愈下，蛋白质开始堆积。

But as animals age, the systems deteriorate, and protein begins to build up.

youdao

详细阐述了这些方法在实际工作中的适用对象、应用条件、方法和原理。并对野生动物年龄推断的研究方法进行了展望。

Objects suitable for their application, conditions of their application, their methodologies and principle and perspectives of their application in age estimation of wildlife were discussed.

youdao