Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.

哺乳动物将营养物质输送到骨细胞的微小管道是平行排列的，而鸟类的管道则是随机排列的。

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In the typical execution of the parallel development pattern for practitioners, the owner of a practitioner development stream performs all of these operations.

在执行者对并行开发模式典型的执行过程中，执行者开发流的所有者，执行所有这些操作。

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This enables a parallel development pattern that is repeated throughout the rest of these procedures.

这就使得并行开发模式成为贯穿剩余规程的主流模式。

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So, what I want to do today-- again, this is a parallel-holding-pattern lecture.

我今天要讲的是,再次强调,这是一门同步课程

耶鲁公开课 - 欧洲文明课程节选