We have used a computer simulation to study spatial and temporal evolution of equatorial spread F irregularities generated by irregular electric fields.
利用计算机模拟研究了非均匀电场产生的赤道扩展F的时空演变。
We have performed numerical simulations of nonlinear evolution of plasma interchange instability in equatorial spread F (ESF) under different conditions.
利用数值模拟，研究了不同条件下赤道电离层等离子体交换 不稳定性的演变和扩展F不均匀体的形态。
I've embraced the vision of John F. Kennedy and Ronald Reagan through a strategy that reverses the spread of these weapons and seeks a world without them.
我赞同约翰·肯尼迪和罗纳德·里根的远见，要求采取遏制这类武器扩散的战略，寻求没有核武器的世界。
"A nuclear disaster, spread by winds and waters and fear, could well engulf the great and the small, the rich and the poor, the committed and the uncommitted alike" (John F. Kennedy).
“核灾难，由风、水和恐惧而传播出去，可完全吞噬大国、小国、富国、穷国，以及结盟的和不结盟的国家”(约翰·f·肯尼迪)。
The R. A. F. 's bold bombing of Ruhr dams in 1943 spread destruction across Germany's industrial heartland.
英国皇家空军1943年轰炸鲁尔河大坝的大胆行动破坏了德国的工业中心。
The R. A. F. 's bold bombing of Ruhr dams in 1943 spread destruction across Germany's industrial heartland.
英国皇家空军1943年轰炸鲁尔河大坝的大胆行动破坏了德国的工业中心。
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