本文描述了一个用于民用住宅设计的CAAD系统。
This is an intelligent CAAD system for residential architectural design, which is supported by a residential expert system.
大火烧毁了140座建筑——其中至少有53座民用住宅。
The blaze has burned 140 structures — including at least 53 homes.
介绍了对民用住宅，以燃气热水炉为热源，采用低温地板辐射采暖技术。
With the gas water heater as heat source, low temperature floor radiation heating of dwelling is introduced.
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