When the body is deficient in the raw materials required for new cell construction, or poisoned by toxic exposure, it undergoes more cell damage than it can repair.

当身体缺少建设新的细胞所需的原材料，或被外部环境所毒害，它的损伤已经超过了自我修复的能力。

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Proteins are used in the construction of each cell of every organ, gland or system along with the muscular structure.

蛋白质被用在每一器官、腺体或系统及细胞结构每一细胞的构造中。

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Making bridge panel concrete with the air cell inner form may quicken the precast bridge panel construction pace, ensure the project quality and drop construction cost.

采用气囊作内模进行浇筑桥面板混凝土，加快了预制桥面板施工进度，确保工程施工质量，并降低了工程施工成本。

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However, previous attempts to use nanotubes in the solar cell construction process have been difficult because its difficult to arrange the nanotubes on the cell without clumping.

FORBES: A More Efficient Solar Cell--Built By A Virus

Goldman Sachs' Communacopia Conference this week that construction of the first cell sites starts this month, with efforts truly swinging into full gear during the fall.

ENGADGET: Clearwire starts building LTE network this month, wants to salve (and profit from) Sprint growing pains

To improve community relations and protect the pipeline, the oil company has hired some villagers, armed with cell phones and dressed in bright orange uniforms and construction helmets, to patrol the pipeline on horseback.

NPR: Georgia Hopes for Boost from Caspian Pipeline