分析人士称：“所有发达国家吸烟者的比例都在下降。”在大多数市场里，下降趋势基本是一条直线。
'the percentage of smokers is declining across the developed world, and the declines are more or less in a straight line in most markets,' said analysts.
实验结果表明，直线电动机的伺服刚度只受位置环比例增益的影响较大，而其它的控制参数对伺服刚度幅值影响不大。
The result presents that the servo rigidity is more influenced by proportion plus of position loop than by other parameters.
直线的斜率与绘图所选用的比例尺寸无关。
The slope of a line is independent of the scales chosen to prepare the graph.
目前人们普遍采用的比例加载实验的路径是单直线应力路径。
At present, the stress loading path commonly used is a single straight line.
目前人们普遍采用的比例加载实验的路径是单直线应力路径。
At present, the stress loading path commonly used is a single straight line.
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