Engineering cost consultancy is a new trade and specialty of a high technical nature.
工程造价咨询业是一门新兴行业和工程技术性很强的专业。
Some of these difference belong to technical nature and some belong to principle nature.
这些差异有些属于技术上的，有些属于理念上的。
The commercial character and the technical nature are changing people's esthetic field of vision;
商业性和技术性改变着人们的审美视野；
The commercial character and the technical nature are changing people's esthetic field of vision;
商业性和技术性改变着人们的审美视野；
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