Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
Article InformationAuthor, 李洛
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2500 Annual Plan – $990/year
一块“钢”，可以“挑大梁”。在山东日照，一条产值2000亿元的钢铁产业链正加速向全球价值链高端攀升，科技这一“关键变量”成为当地钢铁产业高质量发展的“最大增量”。