urban population growth rate的意思|示意

Another issue is urban sprawl. This is where cities expand into rural areas, sometimes at a much faster rate than urban population growth.

另外一个问题是城市的随意扩张，城市向农村扩张速度有时候大大超过了城市人口增长的速度。

At the same time, rural population growth rate but faster than the growth rate of urban population, which makes the limited arable land resources, scarcity become increasingly prominent.

与此同时，农村人口的增长速度却又要快于城镇人口增长速度，这就使耕地资源的有限性、稀缺性日益突出。