In the 1790s, Banneker also helped survey and lay out the land for Washington, D. C., which became the nation's capital.
1790年代,班纳克也帮忙勘测及绘制华盛顿特区的土地,而华盛顿特区后来成为国家的首府。
When I was watching the movie, I also asked D a question like this: "Do they have to fight only to get that piece of land?"
看电影的时候,我问了D这样一个问题:“他们是不是必须一定要争那块土地。
The more the value of D is closer to the critical value, the more the stability of land use type is worse, and the complexity of land use type is higher;
分维值越接近该临界值,该土地利用类型的稳定性越差,复杂程度越高;
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