the number of people in the Valley of Mexico,the heartland of the Aztec Empire,increased from 175,000 in the early Aztec
the number of people in the Valley of Mexico,the heartland of the Aztec Empire,increased from 175,000 in the early Aztec period,that is ,from 1150 to 1350,to nearly one million in the late Aztec period,from 1350 to 1519.4662 想知道increased from 175,000 in the early Aztec period怎么翻译好.以及整句话的翻译
这个长句的比较复杂,其结构是——
主体：The number of people in the Valley of Mexico increased from 175,000 in the early Aztec period to nearly one million in the late Aztec period墨西哥流域中的人数从阿兹特克早期的175,000人增加到阿兹特克晚期的将近一百万人.
内含三个同位语
1.Valley of Mexico 的同位语 the heartland of the Aztec Empire
2.the early Aztec period 的同位语 from 1150 to 1350
3.the late Aztec period 的同位语 from 1350 to 1519
直译：墨西哥流域中——阿兹特克帝国的心脏地带——的人数从阿兹特克早期的175,000人,即从1150到1350年,增加到阿兹特克晚期的将近一百万人,即1350年到1519年.
变通：墨西哥流域是阿兹特克帝国的心脏地带,这里的人数从1150到1350年阿兹特克早期的175,000人增加到1350年到1519年阿兹特克晚期的将近一百万人.