price elasticity matrix of demand 电量电价弹性矩阵
The strength and modulus of elasticity of matrix increase from almost zero, then at a certain age up to those of the coarse aggregate, and even exceed for lightweight concrete.
基体的强度和弹性模量从零开始增加，到一定龄期后接近集料分散相，对于轻集料混凝土，基体的强度和刚度在一定龄期还将超过集料分散相。
Based on an analysis of the historical data and electricity consumption behaviors, customers' response to SOU price is first described by a price elasticity matrix of demand.
基于对用户历史数据和电力消费行为的分析，通过建立丰枯季节电价的电量电价弹性矩阵来反映用户对丰枯季节电价的响应。
Bone consists of a matrix of crystals of calcium, chiefly the phosphate and carbonate, embedded among collagen fibres, providing strength and elasticity, and bone cells (less than 5% of its volume).
骨由镶嵌在胶原纤维中的钙、磷和碳晶体的基质和骨细胞(少于骨体积的5%)组成，胶原纤维提供强度和弹性。
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