【填空题】
A、m<sub>t1sub>=m<sub>a2sub>,α<sub>t1sub>=α<sub>a2sub>,γ=β B、m<sub>a1sub>=m<sub>t2sub>,α<sub>a1sub>=α<sub>t2sub>,γ=β C、m<sub>t1sub>=m<sub>a2sub>,α<sub>t1sub>=α<sub>a2sub>,γ=-β D、m<sub>a1sub>=m<sub>a2sub>,α<sub>a1sub>=α<sub>t2sub>,γ=-β
A、cosα=2d<sub>csub>/SR B、cosα=d<sub>csub>/2SR C、sinα=2(d<sub>csub>/SR) D、sinα=d<sub>csub>/2SR