第一类: first kind; first species风险: risk; hazard; danger第一类, 第一种: first kind第一类保险: class a cover; class i cover第一类程序: type 1 programming第一类错误: alpha error; error of the first kind; first kind error; type 1 error; type i error第一类电极: first-class electrode第一类电缆: category cabling第一类杠杆: first-class lever; lever of first order; lever of the first kind第一类极大: maximum of the first kind第一类尖点: cusp of first kind; spinode第一类接触: star trek viii first contact; star trek: first contact第一类抗体: first order antibody第一类流: first-class current第一类碰撞: collision of the first kind; first kind collision第一类受体: receptor of first order; receptor of the first order第一类投递: first class第一类误差: error of first kind; type error第一类相变: phase transition of the first kind第一类行波: first class traveling wave第一类应力: stre of the first kind; stress of the first kind第一类约束: first cla co traint; first class constraint第一类粘合: identification of the first kind第一类lu-lu对话: lu-lu session type 1第一类超导体: soft superconductor; superconductor of the first kind; type 1 super conductor; type i superconductor