A.互斥B.對(duì)立C.包含D.相等
A.絕對(duì)參照點(diǎn)B.相對(duì)參照點(diǎn)C.絕對(duì)參照點(diǎn)或相對(duì)參照點(diǎn)D.絕對(duì)參照點(diǎn)和相對(duì)參照點(diǎn)