Submissions, addressing the topic of agricultural diversification and crop alternatives to tobacco, must not exceed five (5) pages (standard size paper and type), including attachments.
有关农业多样化和烟草作物替代产品主题的递交稿不能超过5页(标准纸和打字)，其中包括附件。
2
China says the tougher standard on foreign material is needed to protect against crop disease.
中国称之所以强化外国原材料的检验标准，是为了防止农作物病害的发生。
3
He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.