空气在与燃烧生成物混合之前要进行预热。 Before mixing with the products of combustion, the air is preheated.
降解，递降分解化合物的递降分解，显示出清楚明白的中间生成物 Decomposition of a compound by stages, exhibiting well-defined intermediate products.
一种能生成和传送代表数据或话音的信号的装置。 A device that can generate and propagate signals representing data or speech.
语法规则隐含在一种语言中的规则体系，被看作在该语言中生成所有可能的语句的机制 The system of rules implicit in a language, viewed as a mechanism for generating all sentences possible in that language.
