Off-grid energy systems such as photovoltaics, solar water heating, and on-site water collection can keep basic services going.

非常规的能源系统例如光电科技，太阳能热水及就地取水都能运作建筑的基本设施。

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The basic reason is the same for a sea breeze as for a monsoon — difference in heating between the land and sea.

形成海风的基本原因与形成季风的相同？——都是由海陆加热差异造成。

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Apply to ordinary homes, apartments, villas, temporary or refurbishment of buildings and some commercial and industrial buildings, as a basic, backup or supplementary heating purposes.

适用于普通住宅、公寓、别墅、临时或翻修建筑以及部分商用及工业建筑，作为基本、备用或补充供暖之用。

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All that mining and trucking rock around was expensive, even though the basic idea, heating the rock, has always been very simple, so simple that you can even do it at home, as NPR's technology reporter Nell Boyce explains.

NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale

Only 31% of families could provide all eight basic essential items, like heating and warm clothes.

BBC: Parent walking with two children

It offers basic shelter and a handful of bunk beds but no blankets, heating or water.

BBC: Italy��s wilderness, far from the madding crowds