Surface spreading systems are applicable in many areas. Deep aquifer is undertaken in the urban area.

在很多地区可以应用地表回灌系统, 城市地区实施深层含水层的回灌.

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A surface - spreading and silver staining technique was used to prepare samples synaptonemal complex quickly and easily.

用表面铺展 - 硝酸银染色技术快速、简便地制备联会复合体(SC)电镜样品.

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