希尔文•马特尔和他在加拿大蒙特利尔理工大学纳米机器人实验室的同事们也使用磁场，但方式不同。
Sylvain Martel and his colleagues at the NanoRobotics Laboratory at Ecole Polytechnique de Montréal in Canada are also using magnetic fields, but in a different way.
对于普茨茅斯来说，他们希望坎贝尔将是他们这周正在谈判的四笔交易中的第一笔成功的交易。其他三个正在谈判的球员是曼城的希尔文·迪斯丁，大卫·詹姆斯还有自由球员，也是前阿森纳射手卡努。
As for Pompey, they hope Campbell will be the first of four signings this week with Manchester City pair Sylvain Distin and David James plus free agent and ex-Arsenal striker Kanu all set to follow.
麦格劳·希尔没有回应记者的置评请求，但其首席执行官戴维·莱文在8月份告诉英国《金融时报》：“在高等教育领域，纸质版教科书的时代已经结束。”
McGraw Hill didn't respond to a request for comment, but its CEO David Levin told the Financial Times in August that "in higher education, the era of the printed textbook is now over.
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