parallel processor operating system

例句：

1. 1. The two countries are parallel in their development stages.
   这两个国家在发展阶段上是平行的。
2. 2. The research was conducted in parallel with the other studies.
   这项研究与其它研究并行进行。
3. 3. The two teams competed against each other in a parallel event.
   两个团队在一项平行赛事中相互竞争。