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。
By 2031, the ONS forecasts, England will have 464 people per square kilometer.
ONS预计，到2031年，英国的人口密度将达到每平方公里464人。
With a total population density of over 6300 people per square kilometer, it ranks 2nd in the world.
它的人口每平方公里超过6300人，在世界上排名第二。
The 2,000 UFOs are spotted every year in the United States represent just 0.0002 sightings per square kilometer.
而美国每年的2000宗飞碟目击事件平均到每平方公里只有0.0002起。
Zhang said the catalysts have no direct impact on the environment as long as the doses are kept within 0.5 gram per square kilometer.
张说，只要这些催化剂的剂量控制在每平方公里0.5%以内，将不会对环境造成影响。
Suining is densely populated area, population density is 706 persons per square kilometer, population density is much larger than the country, the provincial average.
遂宁为人口稠密区，人口密度为每平方公里706人，人口密度远大于全国、全省平均水平。
The nine eastern lowland departments, comprising about 54% of Colombia's area, have less than 3% of the population and a density of less than one person per square kilometer.
这九个东部低地部门，其中包括哥伦比亚约54％的面积，有不超过3％的人口和一个不到1平方公里（人密度每平方英里2人）。
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。
The best ground-based sites have a wind-power density of about a kilometer per square meter of area swept.
最棒的地面站风能密度约为一公里/平方米扫风面积。
The best ground-based sites have a wind-power density of about a kilometer per square meter of area swept.
最棒的地面站风能密度约为一公里/平方米扫风面积。
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