The results indicate that it is feasible to apply THz-TDS technique to identification of Hotan jade, which provides a new approach to the nondestructive examination of Hotan jade.
2
你这里有什么种类的玉首饰？
What type of jade jewelry do you have?
3
我们用A, B, C来划分它的等级，以此来判别不同种类的玉。
We use grade a, B, and C to identify different types of jade.
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