Using simple math deduction results in the focusing conditions of charge-particle flow in the distribution of magnetic fields.

运用较简明的数学推导，给出了在该磁场分布下带电粒子流聚焦的条件。

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After the scattering boundary conditions were set up, the scattering pressure expression of the solid sphere in the focusing area was derived by column function addition theorem.

建立了散射边界条件，并运用柱函数的加法定理，通过理论推导得到了聚焦区内刚性球形微粒的散射声压表达式。

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Focusing on FIDIC clauses related to contract management, the paper provides some Suggestions by further specifying the special conditions and completing some general conditions.

针对执行菲迪克条款有关合同管理的问题，阐述了通过专用条件进一步细化和严密某些通用条款的建议。

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Earlier this month, Russian Prime Minister Vladimir Putin announced a new strategy to confront the causes of violence in the North Caucasus by focusing on efforts to improve economic conditions in the region.

VOA: standard.2010.07.21

He graduated from Columbia University and then became a community organizer in Chicago, focusing on living conditions in poor neighborhoods.

FORBES: Barack Obama

They say they want their leaders to maintain the political status quo that is, de facto independence while focusing on improving economic conditions.

ECONOMIST: Taiwan's former president is arrested

And it ends the bias many insurance companies have shown against those with pre-existing conditions, while focusing on innovative preventive care and wellness programs.

CNN: Commentary: Health bill could handicap small businesses