在此研究中，纽约大学医学院的科研人员将无毒的基因修饰病毒注入帕金森病人的脑内。
For the study scientists at the New York University School of Medicine injected the brains of Parkinson's patients with a harmless virus which was genetically modified.
无毒基因已在多种植物病原物，包括真菌、细菌、病毒和卵菌等中得到克隆。
Avr genes have been cloned from a variety of pathogens including fungi, bacteria, viruses and oomycetes.
淫羊藿多糖具有调节免疫、抗病毒、抗衰老等功能，安全无毒，具有良好的开发前景。
Epimedium polysaccharides exhibit anti-virus, anti-senile and immunoregulatory effects without toxicity, and present a good developmental prospective.
利用茎尖组织培养便可获得无毒或不带某些病毒的植株，进而生产脱毒种薯。
So it was necessary to use virus-free potato plants to produce virus-free seed potato through stem-tips tissue cultivation.
本实用新型具有无毒性、能有效地杀灭病毒细菌、使用方便、作用时间长、生产成本低，操作简单的特点。
The notebook computer structure is characterized by non-toxicity, effective virus and germ elimination, convenient use, long action time, low production cost and simple operation.
本实用新型具有无毒性、能有效地杀灭病毒细菌、使用方便、作用时间长、生产成本低，操作简单的特点。
The notebook computer structure is characterized by non-toxicity, effective virus and germ elimination, convenient use, long action time, low production cost and simple operation.
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