双列杂交（diallel cross method）
给出下面的接口: interface A{ int method1(int i); int method2(int j); } 下面那个类实现了这个接口,并且不是抽象的?()A.class B implements A{ int method1(){} int method2(){} }B.class B { int method1(int i){} int method2(int j){} }C.class B implements A{ int method1(int i){} int method2(int j){} }D.class B extends A{ int method1(int i){} int method2(int j){} }
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method condensed preparation method
Of the general methods of stowing bagged cargo, which allows maximum ventilation?_____.A.Brick methodB.Cross tier methodC.Full-bag methodD.Half-bag method
We may draw a conclusion that_______during a war.A.the Red Cross only protects the wounded B.the Red Cross only helps prisoners of war C.the Red Cross only helps citizens D.the Red Cross helps all the people in need no matter which side they are fighting for
跨境电子商务的英文名称是（）。A、Cross-border CommerceB、Cross-border Electronic CommerceC、Cross-border Trade CommerceD、Cross-border Communication
下面哪些关于放样中Contour和Constant Cross Section选项的叙述是正确的？（）A、只有当选择Contour时，才能使用Constant Cross Section参数，如果没有选择Contour，则不能使用Constant Cross Section。B、在路径转弯处，Constant Cross Section自动产生光滑的转角。C、只有当选择Banking时，才能使用Constant Cross Section参数，如果没有选择Banking，则不能使用Constant Cross Section。D、当没有复选Contour时，截面图形之间相互平行。
常用的配合力的测定方法有：顶交法、双列杂交法、（）。
