英 [ˈperən] 美 [ˈperən]
n. 门阶；阶石
n. （Perron）人名；（法、德、西、意、葡、瑞典）佩龙
复数perrons
perron /ˈpɛrən/
名词 an external flight of steps, esp one at the front entrance of a building 门阶
A perron (French; Dutch: perroen) is a stone column, often decorated with a globus cruciger, that was erected in cities belonging to the erstwhile Prince-Bishopric of Liège (980-1795). They were primarily built in the so-called Good Cities (, ) that formed the primary towns of the polity.
石台座
露天台阶
门阶
... 门槛doorsill 门阶perron 门捷列夫mendeleev ...
... 通用后缀: Jr 名字: Perron 姓: Frank ...
... 炉台座 base stand 石台座 perron 台座式 pedestal type ...
介绍了一种用初等矩阵来估计非负矩阵的perron根(谱半径)的方法,如恰当选用初等矩阵可以得到较一般结论更精确的解。
门阶；阶石
Then you might want to dial back those expectations, at least according to Sony Ericsson France CEO Pierre Perron.
那么你可能想拨打后面的人的期望，至少根据索尼爱立信法国总裁皮埃尔佩龙。
Perron and his colleagues aren't certain what caused the toppling of the planet, but they think forces beneath the surface are to blame.
佩伦和他的同事们还不能确定是什么引起了火星的倾斜，但他们认为这是地表以下的力量所致。
"There could have been a massive change in the distribution of mantle," Perron said, "which would have caused the planet to shift into its current position."
佩伦说：“地表覆盖物可能经历过大规模的变化，致使火星变成了目前的地形。”
"It's a weirdly Earth-like place, even with this exotic combination of materials and temperatures, " Perron said.
Images of these rivers were compared with a model developed by Perron of how a river network evolves over time.
"It's an interesting challenge, " Perron said.