LED强烈的调制速度是如此之快，人眼是察觉不到的，所以觉得输出(亮度)不变。
The LED intensity is modulated so rapidly that human eyes cannot notice, so the output appears constant.
《朝日新闻》(Asahi Shimbun)的报道配上了丰田章男眼含泪水的照片，报道标题是“丰田总裁：道歉、感激、泪水”(Toyota President： Apologies, Gratitude, Tears)。丰田章男为丰田公司创始人之孙。
The Asahi Shimbun ran a story with a teary Mr. Toyoda, the grandson of the company's founder, with the headline: 'Toyota President: Apologies, Gratitude, Tears.'
南宋时，指南针经由阿拉伯传到欧洲，当时的阿拉伯人亲切地称指南针为“水手之眼”。
In the Southern Song Dynasty, its use spread to Europe via Arabia, and Arabs called it affectionately "the Eye of Sailors".
南宋时，指南针经由阿拉伯传到欧洲，当时的阿拉伯人亲切地称指南针为“水手之眼”。
In the Southern Song Dynasty, its use spread to Europe via Arabia, and Arabs called it affectionately "the Eye of Sailors".
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