发热体表面散热损失
heating substance surface heat loss
发光面吸收率
luminous surface absorptivity
发动机面板灯开关
engine panel light switch
发动机缸体止推面
engine cylinder body thrust plate
发动机地面试验
rocket engine ground test
发病面积率预报
incidence area rate forecast
二种固定界面的胫骨平台
Platform of two kinds of fixed interface
二氧化硅表面接枝聚丙烯酸丁酯
poly(butyl acrylate) grafted onto the surface of nano silica
二氧化硅表面改性
SiO2 surface modification
二维平面流动
two dimensional plane flow