philo had said
斐洛说过
以上为机器翻译结果，长、整句建议使用 人工翻译 。
RCA said Philo Farnsworth should be forced to prove he had invented the television image tube.
美国广播公司说菲罗.范斯沃斯必须提供他发明电视影像管的证据。
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