Methods: to adopt the observational and mensurable and photographic methods.
方法：采取肉眼观察、仪器测量和拍照方法。
The article gave out price system stability is critical the mensurable expression of vector.
本文给出了价格系统稳定性临界向量的定量表达式。
The article gave out price system stability is critical the mensurable expression of vector.
本文给出了价格系统稳定性临界向量的定量表达式。
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