中国北宋天文学家苏颂与天文仪器制造家韩公廉,在11世纪末期制造出人类第一台具有机械技术及擒纵原理的大型水运仪象台,这是世界为之公认的。从仅有的史料来看,在北宋之后,水运仪象台里的计时器技术并没有在中国得到进一步发展,而在两个世纪之后遥远的欧洲,教堂钟、塔钟逐渐兴起,机械钟技术却由西洋人发扬光大。到 In the late 11th century, Su Song, an astronomer in northern Song Dynasty in China, and Han Gong Lian, an astronomical instrument manufacturer, made the world’s first large hydrometric platform with mechanical technology and escapement principle. From the only historical point of view, after the Northern Song Dynasty, the watercraft clock Xiangtai timer technology has not been further developed in China, and two centuries later in Europe, the church bell tower clock gradually rise, mechanical clock technology But by the foreigners flourished. To