火成岩和变质岩比较致密，通常是结晶性的，颗粒之间很少有空隙。
Igneous and metamorphic rocks are more compact, commonly crystalline, and rarely contain spaces between grains.
控制肾素合成的机制独立于致密斑本质。
The mechanism in control of renin synthesis is independent of the macula densa.
致密区域还可能代表着有癌症。
我们知道许多提升者生活在地球的致密地区。
黑暗事实上就是致密。
白矮星的质量只有以前的一半，体积很小，因此非常致密。
A White Dwarf retains about half of its mass but becomes incredibly dense because of its small size.
这些是很致密的骨头，并不是骨架里柔软的部分。
These are very dense bones, not a soft area of the skeleton.
按一般标准衡量，地核是由相当致密的物质组成的。
Judge by ordinary standards, the core is made of rather dense stuff.
模型显示，随着时光倒流，尘埃盘收缩成一个致密的明亮圆环。
As he turned back the clock, the dust disk collapsed into a dense, bright ring.
在星云里面，某些部分足够致密而在自身重力影响下开始塌缩。
Within the cloud, some parts are sufficiently dense to start collapsing under their own gravity.
地球生物只能对着那儿致密的星团和大质量气体尘埃望洋兴叹。
Earthlings can only wonder at the dense star clusters and massive gas and dust clouds that reside there.
要发生聚变，气体的温度必须远远高于太阳中心致密物质的温度。
The gas must be far hotter than the dense matter at the centre of the sun for fusion to happen.
在中间上部是NGC 7319和被称为斯蒂芬五重星系的致密星系群。
At top center is NGC 7319 and the compact galaxy group known as Stephan's Quintet.
希克森致密星系群31的合成图显示了4个相互混合的星系。
The composite image of Hickson Compact Group 31 shows the four galaxies mixing it up.
这些变化加上空间不足，导致密集分布的高层写字楼及住房需求量聚到。
These changes, and a lack of space causes huge demand for dense, high-rise offices and housing.
科学家发现，受尿素污染的海藻能生成一种致密毒素软骨藻酸。
Urea pollution can trigger ocean algae to produce a deadly toxin called domoic acid, scientists have discovered.
但如果有一种致密柔韧的材料，它可以从自身肢体动作收集能量，那会如何呢？
But what if there were a compact, flexible material that could harvest energy from the body's own movement?
GD 362的直径约为地球的一半，质量却和太阳差不多，因此比地球更致密。
GD 362's diameter is about half of the Earth's, but its mass is about that of the sun, making GD 362 far more dense than our planet.
“内部仍然很热，并冷却成为更致密的结构。”LaCourse博士解释道。
“Inside it’s still hot, and tries to cool to a more dense structure, ” Dr. LaCourse said.
这种物质的分子结构致密但分布松散，一般情况下和液体一样，且能够流动。
The molecules in such liquids are closely packed, but loosely arranged. The result behaves like a liquid in normal conditions, and is able to flow.
若白内障较大而致密，且位于一侧眼球的晶体正中，这种情况更容易造成永久性的视力丧失。
Large, dense cataracts present from birth in the middle of the lens that affect only one eye are more likely to cause permanent vision loss.
黑洞是宇宙中质量最大最致密的物体，而超大质量黑洞则是太阳质量的百万倍甚至十亿倍之多。
Black holes are the most massive compact objects in the universe-the supermassive variety are millions or even billions of times the mass of the sun.
Neytiri跨过枝干朝一种结构 类似于--由致密的纤维所构成的 网 。
NEYTIRIstrides out across the branch toward some kind of STRUCTURE -- a WEBmade of thick woven fiber.
事实上，在跑步的初期，你的体重有可能增加几磅，这是因为脂肪变成更致密、更有分量的肌肉。
In fact, you may gain a few pounds early on as you lose fat but add muscle, which is denser and heavier than fat.
但是这些星系，也就是希克森致密星系群31的成员，距离我们相对较近，只有1.66亿光年。
But these galaxies, members of Hickson Compact Group 31, are relatively nearby, only 166 million light-years away.
图中可见红色的弧形，它是一层致密气体的外层表面，这层气体则遮盖着那些年轻的恒星。
The bright red bowl, or arc, seen in this image traces the outer surface of the dense dust cloud encasing the young stars.
天文学家无论凝视致密星系群中的哪一个角落，都会大学大批的年轻星团以及充溢着恒星形成的区域。
Everywhere the astronomers looked in this compact group they found batches of infant star clusters and regions brimming with star birth.
2010年，壳牌在北美的致密气藏的面积总共增加了大约130万英亩(约合5250平方公里)。
All together in 2010, Shell has added some 1.3 million acres (5, 250 square kilometers) of North America tight gas acreage.
2010年，壳牌在北美的致密气藏的面积总共增加了大约130万英亩(约合5250平方公里)。
All together in 2010, Shell has added some 1.3 million acres (5, 250 square kilometers) of North America tight gas acreage.
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