1. A situation in which two or more activations of asynchronous procedures are incapable of proceeding because of their mutual dependencies.
(操作系統中的)一種情形,此時異步過程的兩個或多個活動因相互依賴而不能繼續進行。

2. Unresolved contention for the use of a resource.
為使用同一資源而產生的無法解決的爭用狀態。