Mainly involve and damage included circulation, central nervous, respiratory and systemic.

主要累及和损害循环系统、中枢神经、呼吸系统及全身。

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Works of this category mainly involve two types of material, i. e. ceramics and soldering iron.

这类作品，主要是陶瓷和焊铁两种材料。

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The paper mainly involve the accelerated function of interest, emotions, willpower in the optimization of mathematical cognitive structure.

本文主要讨论了兴趣、情感和意志等对优化数学认知结构的促进作用。

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According to the Ministry of Defence, these cases mainly involve alcohol rather than drugs.

BBC: Submariners punished for drunken misconduct

It will involve spending 370 billion rand over the next three years on public works, mainly infrastructure, to boost jobs and create more demand that will also be spread more evenly.

ECONOMIST: Chasing the rainbow | The