The new concepts of flatness, contact area rate, dot distribution and so on are defined.

本文中对 适 印织物定义了平滑度、接触面积比、网点分配数等新概念 ；

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The higher the pouring temperature or the larger the sprue hollow area rate is, the faster the filling velocity of molten aluminum is.

浇注温度越高、直浇道空心面积率越大，铝液充型速度越快。

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By analyzing the contact area between the Upper Die and cylindrical solid workpiece during Orbital Forming process, an approximate formula for calculating the contact area rate is proposed.

通过对摆辗加工中摆头与圆柱实心工件接触面积的分析，给出了计算其接触面积率的近似公式。

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In an area where manufacturing jobs have disappeared and the unemployment rate has risen above the national average, Mr.Obama called on Congress to pass a new job-creation bill.

VOA: standard.2010.01.22

The euro area unemployment rate, at close to 12 percent, is at its all-time high.

FORBES: A Plea for Growth to Europe's Politicians

When the economy was strong, most consumers were cautious about saving less and spending more (the euro-area saving rate has barely budged in the past three years).

ECONOMIST: The euro-area economy

The jobless rate in the area is 10 percent, up from 2.3 percent this time in 2006, and the area's foreclosure rate of 12 percent is the highest in the nation.

CNN: Kansas budget standoff ends, but other states in limbo