这也是为何要通过多种手段和策略对付垃圾信息的原因之一。
This is just another reason why multiple approaches and philosophies of spam fighting are so important.
相反，你必须尝试多种手段：教育；营养补充，还有维生素的加工食品，种植营养丰富的粮食。
Rather, you have to try a range of things: education; supplements; fortifying processed foods with extra vitamins; breeding crops with extra nutrients in them.
广义生物技术涉及农业和粮食生产中普遍采用的多种手段和技术。
Interpreted in this broad sense, the definition of biotechnology covers many of the tools and techniques that are commonplace in agriculture and food production.
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