Alternative energies are not dense at all and require gobs of space to generate a fraction of the energy generated by a small nuclear facility.

替代性能源则完全谈不上浓缩，并且需要极大的空间才能产出一座小型核电厂所产电能的一小部分。

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For some of new buildings, joint zones are weakened because of lack of stirrups and not dense concrete pouring. Therefore, the study on reinforcing frame joints is significant.

对于某些新建建筑物，节点区箍筋缺少和混凝土浇注不密实，造成节点区弱化，因此对于框架节点区加固研究具有重要理论意义和现实意义。

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Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.

2000万年前，爱达荷州不像现在这样干旱。确切地说，它那时温暖潮湿，生长着茂密的原始森林。

《柯林斯英汉双解大词典》

Although the connections are not as dense as with media outsiders, the results are arguably more interesting.

FORBES: Tech's Twenty Most Media-Connected Editors And Writers

Some of the metropolitan regions that have the highest per capita GDPs in the world based on purchasing power are not particularly dense.

FORBES: Megacities And The Density Delusion: Why More People Doesn't Equal More Wealth

Salty on top and not too dense, these little treats will arrive immediately and take the hunger edge off while you peruse the wide-ranging menu.

WSJ: From Horns of Plenty