The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated.

主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。

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Initial measurements were made in March, but now the binary system has moved almost directly behind the sun from our perspective on Earth, making the pair currently invisible to telescopes.

今年三月份的时候科学家们就进行了初步的测量。但是现在，以我们在地球上的视角来观察，这对双星系统已经移动到了太阳的正后方，这就导致当前无法使用望远镜来观察这对双星。

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Elysium's initial plan was to run a service called Shooting Star Memorial, in which ashes are briefly sent into orbit and return to Earth as a bright streak across the atmosphere.

“极乐世界”最初的计划其实是开始一项名为“流星纪念”的服务，将骨灰运送到轨道然后划过大气层降落到地球上。

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From the start, they astounded viewers with the unexpected color of their work: To emulate the effects of stained glass and daylight, they abandoned the academic practice of initial underpainting in dark earth-tones.

WSJ: Victorian Avant-Garde | Pre-Raphaelites: Victorian Art and Design | National Gallery of Art | By Barrymore Laurence Scherer

The initial images the SUV-size rover sent back to Earth were black and white and grainy, but one showed its wheel resting on the stony ground, and the vehicle's shadow appeared in another.

CNN: Mars landing went 'flawlessly,' scientists say

Their initial efforts involved listening with Mars Odyssey, an American craft already in orbit, and with various Earth-bound radio telescopes.

ECONOMIST: The current crop of Mars missions has got off to a bad start