int nextParas();
double& operator[] (string paraid);
void addRange(const string& paraid, double range[3]) { addRange(paraid, range[0], range[1], range[2]); }
int nextParas();
double& operator[] (string paraid);
void addRange(const string& paraid, double range[3]) { addRange(paraid, range[0], range[1], range[2]); }