本文对黄河三角洲演变机理进行了探讨。
The mechanism of the Yellow River delta was discussed in this paper.
以这些理论为基础，本文分析了房地产泡沫演变机理，指出房地产泡沫对国民经济的危害性。
According to these analyses, the author analyzes mechanism of shaping, developing and breach of the bubble and harms of real estate bubble.
通过研究，不但进一步弄清了DBD等离子体的形成与演变机理，而且为优化DBD系统参量提供了必要依据。
The formation and evolvement mechanism of plasma produced by DBD is explained and the basis for optimizing system parameters of DBD is provided.
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