A practical method for visualizing flood area and evaluating damage is presented, which consists of two technical approa......

终止子技术是美国ＤｅｌｔａａｎｄＰｉｎｅＬａｎｄ种子公司和美国农业部联合申请、经美国专利局１９９８年３月批准的一项专利。整个过程可叙述为遗传工程师在转基因作物中加......