对于圆筒输热管，其热绝缘性能与绝热层厚度之间的关系，远非象平壁那样呈线性关系。
The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.
一些经济学家如今认为房价只不过会象其他国家那样逐渐趋平。
Some economists now think that prices will simply flatten out, as they have elsewhere.
在19世纪早期平床式印刷机的发明，以及象《纽约太阳报》这样的畅销报纸的出现，标志着一个影响深远的变化。
The invention of the steam press in the early 19th century, and the emergence of mass-market newspapers such as the new York Sun, therefore marked a profound shift.
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