从什么时侯开始中国的人口增加了一倍？的翻译：Starting from when China's population increased by 1 time? 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

When did start from a doubling of the population of China?

Starting from when China's population increased by 1 time?

From what time started China's population to increase one time?

When China started from the population has doubled?

Starting from when China's population increased by 1 time?