In the early stages of building design, many factors are not determined and It is difficult to analyse heating and cooling loads using the building energy softwares.

在建筑设计早期阶段，很多建筑构造及设计因素尚未确定，很难用建筑能耗软件进行建筑负荷分析。

youdao

The glaze is applied to a fired stoneware vessel, which is then fired again in a repeated cycle of six stages of heating and cooling where precise temperatures matter a great deal: either over- or under-firing will spoil the effect.

UNESCO: Culture