Ceramic composites, nanotechnology and shape memory alloys figure prominently in the airframe and ultra high bypass ratio propulsion system construction.
陶瓷合成材料、纳米技术和外形记忆合金卓越地体现于其机体和超高涵道比的推进系统结构。
The modern library should be the compound type library, and the construction scale and utilization ratio are the important marks for evaluating the strength of a university.
现代图书馆应该是复合型图书馆，图书馆的建设规模以及利用效率是评价一所学校实力的一项重要标志。
The paper analyzed the importance of adjusting concrete construction mixture ratio, proposed some main points of correctly adjusting concrete construction mixture ratio.
分析了调整混凝土施工配合比的重要性，提出了正确调整混凝土施工配合比应抓住的几个环节要点。
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