我的论文引文部分 希望英语达人能帮忙翻译一下 不慎感激

Hard East China's modern history is the largest and longest duration of settlement activities, called world history of the miracle of migration. More than 30 million people to enter the Central Plains East, constitute the main body of the population in the Northeast, the Northeast's political, economic, cultural and social life at all levels have had a profound impact. "Where there are a vast number of immigrants, northeast of the development, will step forward" ①. Northeast society has witnessed unprecedented change, and promote the northeastern region from the traditional to modern changes. In that article, I learned from the "Northeast" starting with the geographic scope, focus on the reasons for the East through with the process and impact, but also involves the Hard East line, and the main means of livelihood.