教程内容请参考:https://github.com/PaddlePaddle/PaddleDetection/blob/release/0.2/slim/distillation/README.md
蒸馏后的结果用ResNet34-YOLO-V3做teacher,4GPU总batch_size64训练90000 iter得到
蒸馏后的结果用ResNet34-YOLO-V3做teacher,4GPU总batch_size64训练600000 iter得到