Only 0.01 people live there per square kilometer, mostly Inuit.

其人口密度是每平方公里0.01人，大部分是因纽特人。

youdao

The key indicators for evaluating the benefit of explorational activity should include 2-D seismic cost per kilometer, 3-D seismic cost per square kilometer, and drilling cost per meter in depth.

每公里二维地震成本、每平方公里三维地震成本和每米进尺钻井成本是评价勘探作业效率的关键指标。

youdao

The population density of Beijing is about 850 people per square kilometer.

城市的人口密度大约为每平方公里850人。

youdao

Luo says there were 72 people per square kilometer in his native district near the Russian border.

FORBES: Issues & Ideas

Total carbon deposits per square kilometer in these coastal systems may be up to five times the carbon stored in tropical forests, due to their ability to absorb, or sequester, carbon at rates up to 50 times those of the same area of tropical forest.

UNESCO: Biodiversity Initiative