Machine types have a simple structure, economical, convenient, reliable, stable transmission and distribution of large, high efficiency, low noise and so on.
该机种具有结构简单，经济方便，使用可靠，传输平稳，输送量大效率高，低噪音等优点。
Analysis of land utility efficiency in Fuping County was made by economical ways from three aspects including land utility structure, utility degree and efficiency in 2003.
采用土地经济学研究方法，从土地利用结构、土地利用程度和土地利用效益3个方面，对阜平县2003年土地资源利用状况进行了对比分析。
It summarizes the quality and characteristic of material using, landscape effect, economical efficiency and applicable range of non-structure side-slope and structure side-slope.
归纳总结了非结构性边坡与结构性边坡在材料使用、景观效果等方面的性质、特点。
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