计算机网络应用所体现出的重要特征是逻辑上的统一性和__________上的分散性。
参考答案：物理
翻译句子。
1. They abandoned the stolen car.
2. He had to abandon the job because of illness.
3. He abandoned himself to despair.
4. The people were so excited that they jumped and shouted with abandon.
