Light weight aggregate concrete (LWAC) is composed of light weight poriferous aggregate and cement paste.

轻集料混凝土(LWAC)由轻质多孔集料和水泥石胶结而成。

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In the light of inorganic heat preservation particles of light weight aggregate, add as by cement materials, crack additives and other such as filling of dry mortar.

以无机类的轻质保温颗粒作为轻骨料，加由胶凝材料、抗裂添加剂及其他填充料等组成的干粉砂浆。

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First, the steel fiber reinforced concrete and the lightweight aggregate concrete can make up the deficiencies of common concrete such as low tensile strength and large dead weight.

首先，钢纤维和轻骨料能弥补普通混凝土存在的抗拉强度低和自重大等方面的不足。

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They then use this information to weight and aggregate their predictions of events, resulting in fairly accurate forecasts.

ECONOMIST: Techniques, not technology