给出一段英文文本，要求翻译成中文。


Machine learning is the scientific study of algorithms and statistical models that computer systems use to carry out tasks without explicit instructions, relying on patterns and inference instead. It is seen as a subset of artificial intelligence.
机器学习是指计算机系统使用算法和统计模型来执行任务而不需要明确指示的科学研究，它依赖于模式和推理，被视为人工智能的一个子集。