作者：非确定(分布式)系统。即使按照可控制的相同顺序输入，也会导致多种可能的有效可观测输出结果。

Authors: Nondeterministic (distributed) systems, when the same sequence of controllable inputs may lead to many possible valid observable outputs.

youdao

这个示例中的非确定性是因为：output 的值基于 in 和 inject 流的值（同时还基于这些值到达的顺序）。

The non-determinism in this example is because of the fact that the output value is based on the values on the in and inject streams (and also on the sequence in which these values arrive).

youdao