这种几纳米大小的药物载体颗粒可以被”量身定做“，使其只在靠近肿瘤的内环境条件下释放出携带的药物，从而减少对机体的附带性损伤。
Such particles can be tailored to release their payloads only when the surrounding environment indicates that they are near a tumour, thus reducing collateral damage.
既然贮存池不再正常工作，一场释放到环境中的放射性灾难就可能发生。
Since the storage pools are not located within containment, a catastrophic radioactivity release to the environment could occur.
正常运行工况下气载放射性流出物向环境释放量的计算是环境影响评价的基础。
The calculations of the release of airborne radioactive effluence to environment are bases of environmental impact assessment.
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