Ab initio calculations are performed, using a slab model with 6 atom-layers, to investigate the character of clean surface, surface with vacancy.

利用第一性原理赝势法，采用6层原子层的层晶模型研究了完整铜表面、含空位缺陷表面的性质。

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The transcendental equation for the single toroidal non-reciprocal ferrite phase shifter is obtained by using the twin slab model, and its properties are discussed.

利用双平板模型推导出了单环非互易铁氧体移相器的超越方程，并对其特性进行了讨论。

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The transcendental equation for ferrite phase shifters in rectangular wave guide has been obtained by applying twin slab model, Maxwell equations and boundary conditions.

首先利用双平板模型、麦氏方程组和边界条件推导矩形波导铁氧体移相器的超越方程。

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All are now said to start testing in the coming months, and we're just learning that the car will feature GLONASS navigation, is said to include a "telephone with a keyboard" and will have some sort of infotainment system controlled by a "data panel, " which we're hoping is a little better integrated into the dash than the slab dominating the Model S center console.

ENGADGET: Yo-mobile hybrid cars on display in Russia, run on gas, natural gas, and GLONASS

In agreement with the model, Gumbsch said, the testing is suggesting that releasing slab avalanches is much easier than previously thought.

MSN: How a deadly avalanche can be triggered