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1·Its immediate successor, the 1999 New Beetle, is less historically significant but equally iconoclastic.

它的后继车型，也就是1999年版的新甲壳虫，在历史上并没有那么重要的地位，但它的设计同样特立独行。

2·The way of computing immediate predecessor (successor) of the new element is given, so the problem of constructing concept lattice is solved on condition that the attribute set is constant.

确定了新节点在原概念格中的直接子节点和直接父节点的计算方法，解决了生成新节点后的连线接问题。