According to the equation of asymptotic curves, a family of nonlinear asymptotic curves are given to the principal normal surface.

根据渐近曲线的方程，具体给出主法线曲面的一族非直线的渐近曲线。

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Life in Damascus remains normal, on the surface at least.

至少在表面上，大马士革的生活仍属正常。

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Besides the normal states of surface liquid, vapor, or ice, much water exists locked in rock hundreds of miles deep in Earth's mantle.

除了表面覆盖的江湖海水，水蒸气、冰，大部分水可能被锁在地球的地幔深处。

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Real La Nina events have been linked with cooler than normal temperatures on the surface waters of the Pacific Ocean.

VOA: special.2009.09.29

He says sea surface temperatures in the Arctic were higher than normal last month.

VOA: special.2009.10.27

But Dr Dial wanted to be sure, so he compared the accomplishments of normal partridges with birds that had their wing feathers clipped to half their normal surface area, and to even less fortunate fowl whose main flight feathers were entirely plucked.

ECONOMIST: Birds that don't fly may be using their wings to run uphill

Greenland's surface layer vaulted into the news in summer 2012 when higher than normal temperatures caused surface melting across about 97 percent of the ice sheet.

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)

Storm surges have the potential to be dangerous because they involve a great upwelling of a stretch of ocean - intense low pressure at the heart of a storm literally tugs the sea surface above its normal level to create a massive bulge.

BBC: Legacy of Britain's great flood