The region has a very high population density.
这一地区人口密度很高。
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
The population density of that country is 685 per square mile.
那个国家的人口密度为每平方英里685人。
它具有较高的电荷密度。
Fat is high in energy density.
脂肪能量密度高。
It is the electric charge density.
这是电荷密度。
What is the density of bubble wrap?
汽泡纸的密度是多少？
The density of water's close to one.
水的密度很接近。
ρ是密度，对吗？
This wave of excess density is sound.
这种过剩密度的波就是声波。
Let's think about probability density.
让我们来考虑概率密度。
This has to do with the density of data.
这与数据的密度有关。
Think of it as a probability density plot.
把它看成是一个概率密度图。
Aim for keyword density of 4 to 6 percent.
百分之四到六这样的密度就差不多了。
The keys to energy density and weight loss.
运用能量密度减肥的关键。
He or she may recommend a bone density test.
他或她可能会推荐一个骨密度检查。
And let's say that it is of uniform density.
它的密度是常数。
But, if density is one, then it just becomes this.
但是如果密度是1，那么就像这样子了。
So, this is about a quarter of the density of steel.
所以镁的密度是贴的四分之一。
Unfortunately, their density also concentrates heat.
不幸的是，密度的增加还是会增加热量。
So what happens? And let's use a value of the density.
结果是什么？我们有水的密度。
So, you can get the mass of a flat object with density.
因此，可以通过密度求一个平面物体的质量。
Of course, to compute this,you need to know the density.
为了计算这个，需要知道密度。
Unfortunately, this is a recipe for pattern density.
不幸的是，正是这些造成了模式密集。
The density, which was his support, was also an obstacle.
密度既支撑重量，但同时也是障碍。
If density is constant, we might as well take it to be one.
如果密度是不变的，就可以取之为。
If you also have low bone density, your risk is even higher.
如果骨密度还比较低的话，那可能性就更大了。
A further advantage is the high energy density of the tides.
另一项优势是潮汐的高能量密度。
We know that it's a density, it's not an actual probability.
我们知道它是密度，不是概率。
We know that it's a density, it's not an actual probability.
我们知道它是密度，不是概率。
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