Constantino康斯坦丁诺constantadj.不变的；经常的n.常数；恒量constant zone of subsurface temperature恒温层constant-current charge and discharge恒流充放电constant denaturant gel electrophoresis恒定变性凝胶电泳constant proportion portfolio insurance固定比例投资组合保险constant voltage and constant frequency稳压稳频电源constant current limiting characteristic恒流限制特性曲线Constant Absolute Vorticity Trajectories等绝对旋涡轨线constant pressure combustion gas turbine定压燃烧式燃气轮机Constant Watch Network Support Subsystem恒定监视网络支援子系统constant stress accelerated life testing恒应力加速寿命试验