An ideal model of vertical isolation system with gravitational positive feedback is proposed and some properties are discussed.The theoretical analysis shows that the resonant frequency of the system could be reduced much efficiently by means of a negative spring coefficient.
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机译：ada编译器验证摘要报告。证书编号：900726W1.11017，Verdix Corporation VaDs IBm RIsC system / 6000，aIX 3.1，Vada-110-7171，版本6.0 IBm RIsC system / 6000 model 530 => IBm RIsC system / 6000 model 530
