Land to be certified according to NOP must be managed according to the standard, and must not have received prohibited substances during 3 years before the first organic harvest.
按NOP规定，要经过 认证的土地须按标准经营，而且在第一次有机农产品成熟前的3年（的时间）内不能使用被禁止的物质。
Every year the World Anti-Doping Agency publishes a list of prohibited substances and methods, divided into those prohibited at all times and those outlawed only during competitions.
每年世界反兴奋剂组织都会公布一系列(体育比赛中的)禁用物品以及禁用方法，并把它们分为任何时候都不能使用和在比赛时不能使用两种情况。
America's harsh prohibitionist drug policies are grounded in the premise that the prohibited substances have little or no redeeming value and cannot be used without life-destroying consequences.
美国严厉的禁止毒品政策的前提是被禁止的物质几乎没有可取的价值并且在不会带来伤害生命的情况下也不可以使用。
The public outrage led the Olympic Committee to establish a special commission called the IOC Medical Commission, to study doping in sports and set up its first list of prohibited substances.
公众的愤怒促使国际奥委会建立了一个专门的委员会——奥林匹克医务委员会，研究体育运动中兴奋剂的使用问题，并第一次列出了被禁药物的名单。
Prevention from contamination: the operator has to prevent any contact of prohibited substances with NOP-certified products at any stage of the processing, handling, storing and packaging activities.
防止污染：在加工、处理、仓储、包装的各个环节，操作者必须采取各种措施防止NOP认证的产品被污染。
A doctor should give a patient taking an MAOI a complete list of prohibited foods, medicines and substances.
医生必须给服用MAOI的患者提供一张完整清单，列出禁用食物，药物及其他物质。
The proposal amended the regulation on the national list of substances permitted and prohibited by the US Department of Agriculture, involving all kinds of organic food.
该提案修订了美农业部的允许和禁止物质的国家列表法规，涉及所有种类的有机食品。
It is prohibited to mine the coal containing toxic or harmful substances, such as radioactive and arsenic substances, that exceed the limits prescribed.
禁止开采含放射性和砷等有毒有害物质超过规定标准的煤炭。
Controlled substances, obscene articles, and toxic substances are generally prohibited entry.
管制物质、淫秽物品和有毒物质一般禁止入境。
Synthetic substances are prohibited, unless they are explicitly allowed.
禁止使用合成物质，除非是明确允许的。
If substances listed as prohibited are used for pest control, what measures are you taking or planning to take to prevent their use in the future?
如果施用过禁用的除虫物质，采取或计划采取什么措施以在将来最终停止使用该物质？
It is prohibited to mine the coal with toxic or harmful substances, such as radioactive and arsenic, that exceed the prescribed limits.
禁止开采含放射性和砷等有毒有害物质超过规定标准的煤炭。
The activities which give rise to strict liability-e. g. , blasting, storing dangerous substances, keeping dangerous animals-are not so unreasonable as to be prohibited altogether;
引起严格责任的行为，例如爆炸、储藏危险物品、饲养危险动物，并没有不合理到应当统统禁止的地步；
The activities which give rise to strict liability-e. g. , blasting, storing dangerous substances, keeping dangerous animals-are not so unreasonable as to be prohibited altogether;
引起严格责任的行为，例如爆炸、储藏危险物品、饲养危险动物，并没有不合理到应当统统禁止的地步；
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