An algorithm is said to be wait-free if every thread will continue to make progress in the face of arbitrary delay (or even failure) of other threads.

如果每个线程在其他线程任意延迟(或甚至失败)时都将持续进行操作，就可以说该算法是无等待的。

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The "forward" face guard theory and "backward" pharynx sound theory, developed from the Italian traditional Bel Canto, are the core threads that run through all ideas in various vocal music schools.

源自意大利传统美声唱法的“靠前”派面罩说、“靠后”派咽音说，是贯穿各声乐学派艺术理念的中心线索。

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