numerical calculus造句

• Numerical calculus and experiment for crystallization process of li2o - al2o3 - sio - p2o5 system glass indicated : size of crystallization grain can be controlled by forming residual glass phase with high melting point , and by this way we got transparent glass - ceramic
  并依据理论分析的受控模型获得了小晶粒的透明微晶玻璃。讨论了通过主晶相和残余玻璃相的膨胀系数估算析晶量的方法。