城市的人口密度大约为每平方公里850人。
The population density of Beijing is about 850 people per square kilometer.
在某些地方，每平方公里甚至有100万件塑料垃圾。
In places, there are a million pieces of plastic per square kilometre.
其人口密度是每平方公里0.01人，大部分是因纽特人。
Only 0.01 people live there per square kilometer, mostly Inuit.
人口密度为45人每平方公里的风景区最容易发生森林火灾。
A landscape with an average of 45 people per square kilometre is ideal for sparking wildfires.
它的人口每平方公里超过6300人，在世界上排名第二。
With a total population density of over 6300 people per square kilometer, it ranks 2nd in the world.
在一个月的时间里，每平方公里差不多要落下17kg的灰尘。
In one month, dust fall can reach as much as 17kg per square kilometre.
平均每平方公里居住1000人，且超过80%的人口生活在农村地区。
On average nearly 1000 people live in every square kilometer and over 80% of the population live in rural areas.
ONS预计，到2031年，英国的人口密度将达到每平方公里464人。
By 2031, the ONS forecasts, England will have 464 people 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。
The 2,000 UFOs are spotted every year in the United States represent just 0.0002 sightings per square kilometer.
黑龙江省有着巨大的风电发电潜力，拥有每平方公里平均风力电能密度达20 0瓦。
Heilongjiang also has great potential for wind power, with an average wind energy density of 200 watts per square metre.
在丽江古城区内的玉河水系上，飞架有354座桥梁，其密度为平均每平方公里93座。
On the YuHe water system in the ancient city of lijiang, over 354 Bridges, the density of the average per 93 square kilometers.
2006年联合国环境规划署估算，每平方公里海洋含有差不多18000片漂浮的塑料。
The UN Environment Programme reckoned in 2006 that every square kilometre of sea held nearly 18, 000 pieces of floating plastic.
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。
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.
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。
Suining is densely populated area, population density is 706 persons per square kilometer, population density is much larger than the country, the provincial average.
然而新加坡是世界上人口最稠密的国家之一，人口密度位居世界第三，每平方公里达7000人之多。
Yet with around 7, 000 people per square kilometre, Singapore is the third most densely populated country in the world.
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 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.
“畅游苏格兰”宣称苏格兰的飞碟目击率达到了每平方公里0.004起，是另两个飞碟目击热点法国和意大利的4倍。
VisitScotland said 0.004 UFOs were spotted for every square kilometer of Scotland a rate four times as high as in France or Italy, this planet's other UFO hotspots.
在人口稠密的城市周围地区，例如河内——每平方公里达到将近2000人，无论钻入多深的地下水，都很难得到不受砷污染的水源。
In the region surrounding the densely populated city of Hanoi — with nearly 2,000 people per square kilometre — it is difficult to escape arsenic-contaminated water, no matter how deeply you drill.
在人口稠密的城市周围地区，例如河内——每平方公里达到将近2000人，无论钻入多深的地下水，都很难得到不受砷污染的水源。
In the region surrounding the densely populated city of Hanoi — with nearly 2, 000 people per square kilometre — it is difficult to escape arsenic-contaminated water, no matter how deeply you drill.
然而，以每平方公里约7000人的人口密度跻身于世界第三大人口稠密国家的新加坡，其陆地总量并不能供给5,000,000常驻人口足够的饮用水。
Yet with around 7, 000 people per square kilometre, Singapore is the third most densely populated country in the world. Its land mass is not large enough to supply its 5m inhabitants with water.
然而，以每平方公里约7000人的人口密度跻身于世界第三大人口稠密国家的新加坡，其陆地总量并不能供给5,000,000常驻人口足够的饮用水。
Yet with around 7,000 people per square kilometre, Singapore is the third most densely populated country in the world. Its land mass is not large enough to supply its 5m inhabitants with water.
作为整个玩乐试验项目的一部分，新南威尔士州有众多刺激、好玩之处，而史密斯的任务就是要向游客们展示新南威尔士州有多好玩。他必须完成80.2万个充满乐趣的精彩瞬间才算完成工作——每平方公里的土地上就得有一个精彩瞬间。
His challenge is to show travellers how exciting NSW is as part of the Funster Experiment, and he must continue until he collects 802,000 fun moments – one for every square kilometre of the state.
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 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 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.
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