20世纪末，医学超声影像技术飞速发展，新技术和新方法层出不穷。

With the rapid development of medical ultrasonic imaging technologies at the end of the 20th century, new techniques and methods emerge one after another.

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汉语训诂学是一门古老的学问，近年来传统方法正在复兴，而新方法也层出不穷。

Chinese exegetics is traditional scholarship, of which some traditional approaches are rejuvenating in recent years and new methods are emerging one after another.

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同时，由于人们对经济诸过程之运行有了迸一步了解，其影响所及，新方法和新技术层出不穷，无时或已。

At the same time, new methods and techniques are being constantly developed under the influence of better understanding of the working of economic processes.

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同时，由于人们对经济诸过程之运行有了迸一步了解，其影响所及，新方法和新技术层出不穷，无时或已。

At the same time, new methods and techniques are being constantly developed under the influence of better understanding of the working of economic processes.

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