What's more, modification is made based on normal elastic ground resistance method and a rigid matrix for elastic ground beam element is detruded.

另外，本文对现有常规的弹性抗力法作了一定的改进，推导出了一种能更好考虑桩土相互作用的弹性地基梁单元刚度矩阵。

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After leveling the ground, the ground beam is paved, and then the ground board is installed on the ground beam according to the sequence of driver and slaver.

地面清理平整后，铺设地梁，然后按照公母次序在地梁上安装好地面板。

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We consider each sleeper as an abutment of opposite forces, rails on horizontal sleepers as a mock dispersed elastic ground beam model and trains as moving load on beams.

将每根枕木考虑成一个支座反力，将横向枕木支承的钢轨模拟成离散的弹性地基梁模型，将列车考虑成一个作用在梁上的移动荷载。

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The same approach has been used in ground-based experiments to beam one kilowatt of power over a distance of several kilometres, notes Peter Fisher, a physicist at the Massachusetts Institute of Technology.

ECONOMIST: Monitor

The beam was reported as coming from a sports ground in the Whipton area, on the other side of the M5 motorway from the airport, police said.

BBC: Green laser

Given the risks of aiming such a powerful beam of high-intensity radiation at an Earth ground station, as well as the cost of building billions of dollars in infrastructure to collect the energy in space, the efficiencies you can get from terrestrial solar power seem a safer bet--at least for now.

FORBES: Galactic Gold Mine?