1 . substate
substantiator 证人substate 亚级;亚态- 基于27个网页
2 . subclass
subclass 下位类, subclass 亚级, subclass 二级类目
3 . subcast
subcase 子格, subcast 亚级, subcase 工况
4 . antepenultimate order
order up [军]命令开赴前线特殊用法 absolute order 绝对指令 additional order 追加定货 advance order 预订单 antepenultimate order 亚级architectural order.