A、∣δ<sub>isub>-δ<sub>jsub>∣>∣δ<sub>isub>-δ<sub>jsub>∣min B、∣δ<sub>isub>-δ<sub>jsub>∣<∣δ<sub>isub>-δ<sub>jsub>∣min C、∣δ<sub>isub>-δ<sub>jsub>∣>∣δ<sub>isub>-δ<sub>jsub>∣max D、∣δ<sub>isub>-δ<sub>jsub>∣<∣δ<sub>isub>-δ<sub>jsub>∣max