【判断题】
A、+2.00DS/-2.00DC×90° B、+2.00DS/-4.00DC×180° C、+2.00DS/-4.00DC×90° D、-2.00DS/+2.00DC×90° E、-2.00DS/+4.00DC×180°
A、+2.00DS/-2.00DC×90° B、+2.00DS/-4.00DC×180° C、+2.00DS/-4.00DC×90° D、-2.00DS/+2.00DC×90° E、-2.00DS/+4.00DC×180°
A、-0.50DS/-1.50DC×180° B、-1.50DS/-0.50DC×180° C、-0.50DS/-1.50DC×900 D、-1.50DS/-0.50DC×90° E、-1.50DS/-1.50DC×180°