mutual exclusiveness

1. The slightest doubt in the existence of exogamous and endogamous "tribes" of absolute mutual exclusiveness was considered rank heresy.
   对于绝对相互排斥的外婚制部落和内婚制部落的存在稍有怀疑，便被视为放肆的邪说；
2. The land resource has the scarcity, not renewability, simultaneously the economic development to rely on to the land high demand, the land utilization also has the mutual exclusiveness.
   土地资源具有稀缺性、不可再生性，同时经济发展依赖于对土地的高度需求、土地利用又具有相互排他性。

noun

1. the relation between propositions that cannot both be true at the same time

   Synonym:    incompatibilityinconsistencyrepugnance