Composite resin is a kind of dental material composed of resin martrix, pre-treated filler and initiating system which has been widely used in dental restoration.
复合树脂是一种由有机树脂基质和经过表面处理的无机填料以及引发体系组合而成的牙体修复材料。广泛用于各类牙体缺损的直接和间接修复。
The enzyme was negative in the regions of cartilage martrix, molecular layer and granular layer of cerebellum.
软骨基质，小脑皮质分子层和颗粒层等部位酶呈阴性。
The recurrence formula for radial martrix elements of two-dimensional isotropic harmonic oscillator are derived.
推导出二维各向同性谐振子径向矩阵元所满足的递推公式。
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