第三点是如今在21世纪的开端，我们正在目睹着第三种复制因子的诞生。

The third is that now, in the early 21st century, we are seeing the emergence of a third replicator.

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高楼是另一个有第三个灭点的普遍例子，这时第三点位于高空中仰视。

Looking up at a tall building is another common example of the third vanishing point. This time the third vanishing point is high in space.

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The historical prologue, thirdly, explains why Israel accepts her place in the suzerain-vassal relationship.

第三点，这个历史旁白，解释了为什么,犹太人接受了他们在领主与奴隶关系里的地位。

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Third, I'd like to answer these questions from sound points of view and tell you a little bit about what we are doing and how we are doing it.

第三，我想对这些问题,给出合理的答案,并讲点我们,要做的事及完成的方式。

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Let's go into the third version of this and then start doing something with these constructs.

让我们进入这个程序的第三版,开始用这些概念来写点东西。

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