ludvigEconomist⁵³⁵⁸¹⁺¹ 基本例句 n.路德维格¹⁰⁰ That, at least, is the promise of a technology being developed in Sweden by Ludvig Edman of Umea University and Nathaniel Robinson of Linkoping. 至少通过瑞典 Umea大学的 Ludvig Edman和林雪平的 Nathaniel Robinson的开发工作可以让我们看到该项技术的前景。 ecocn