maximum effective size造句

例句与造句

1. Jacobs estimates the maximum effective size of a city district to be 200, 000 people and 1.5 square miles, but prefers a functional definition over a spatial definition : " big enough to fight city hall, but not so big that street neighborhoods are unable to draw district attention and to count . " District boundaries are fluid and overlapping, but are sometimes defined by physical obstructions such as major roadways and landmarks.
2. It's difficult to find maximum effective size in a sentence. 用maximum effective size造句挺难的