将“compactness"翻译成中文

The key to New York’s relative environmental benignity is its extreme compactness.

纽约之所以环保的原因在于它的紧凑。 曼哈顿的密度高达每平方英里67,000人。

This compact should rest on the strong foundation of our shared commitment to pursuing security, development and good governance in Afghanistan and the region.

该契约应建立在我们共同的承诺这一坚实基础之上:在阿富汗和本地区实现安全、发展和善治。

The result is a more compact turbine that operates efficiently when water velocity is relatively low.

结果产生了一个结构更紧密的涡轮,能够在水流速度较低时仍然有效地运作。