你能够在单群理论或这多群理论里，单群理论假设，中子能量和所有的东西，要达到一个能量，我们必须要做出些调整。
And you can do it in one-group theory or multi-group theory. One-group theory assumes that the neutron energy and everything is going on at one energy and we have to make some adjustments.
好了现在，我们要谈论单群，扩散理论，我们要解释一下，为什么我们称它为扩散理论。
Okay now we're going to talk about one-group diffusion theory and we're going to explain a bit about why we call it diffusion theory.
本文根据圆柱孔扩张理论分析了在单桩周围和群桩内部土中产生的打桩挤压应力，并与室内模型试验和工程实录资料作了比较。
Based on the cylindrical cavity expansion theory, the squeeze stress induced by pile driving in soils around a pile and inside cluster of piles is analyzed.
桩群的水流阻力比单桩的水流阻力要复杂得多，理论上解决桩群水流阻力目前还较困难。
The flow resistance of pile group is more complicated than that of single pile. It is difficulty to solve flow resistance of pile group theoretically at present.
本文延伸单桩之非线性t -Z曲线理论，应用于刚性群桩工程。
In this paper is extended the nonlinear T-Z Curve of single pile, to rigid group piles.
本文延伸单桩之非线性t -Z曲线理论，应用于刚性群桩工程。
In this paper is extended the nonlinear T-Z Curve of single pile, to rigid group piles.
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