Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
并对在该模型下建立的动力矩阵用动力凝聚法进行简化，推导了相应的振动微分方程。
Support for the ordinance from more conventional supermarket chains and clothing stores is easy to understand since the mega stores drain away customers and force prices down.
法案的支持者多源于那些传统超市连锁和服装店，因为他们是大超市连锁的受害者，他们被这些巨头挖了墙角，而他们，只好不断甩卖、甩卖再甩卖！
Support for the ordinance from more conventional supermarket chains and clothing stores is easy to understand since the mega stores drain away customers and force prices down.
法案的支持者多源于那些传统超市连锁和服装店，因为他们是大超市连锁的受害者，他们被这些巨头挖了墙角，而他们，只好不断甩卖、甩卖再甩卖！
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