你们就在转变完成的尖端。
人口转变完成的标准应该是死亡率上升时所出现的拐点。
The criterion of the complete population transition should be the turning point in the course of mortality ascendant .
一种用于制造钢材的方法,所述方法包括在珠光体鼻尖转变完成点 保持30分钟或更久。
A process for producing a steel material which includes 30 minutes or longer holding at the pearlite nose transformation completion point.
Several large animal species had disappeared so people had to find other animals and so this changed from going to find animals to domesticating animals, and shift from collection of plants to production of plants.
很多大型动物物种已经灭绝了,人类不得不去寻找其他动物,因此这也就完成了从狩猎到驯养的转变,从采集到种植的飞跃
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