" the virus in the first case originated with poultry and has not mutated . it has no biological features for human - to - human transmission ， " said mao qun ' an 毛群安说，第一例死亡病例标本分离到的病毒分析显示，病毒仍然是禽源性的，没有发生本质性的变异，不具备人传人的生物学基础。
Insulin - producing cells taken from pigs will be transplanted into human diabetes patients , in what is claimed as a world - first trial based on australian technology 从猪的器官中提取的胰岛素制造细胞将被移植到糖尿病人体内，这项由澳大利亚研究的技术的应用在世界范围内尚属第一例。
Many livestock producers have been wary of （ 5 ） a tracking system , which the government promised to create after the nation ' s first case of mad cow disease two years ago in washington state 两年前在华盛顿发现了第一例疯牛病后，政府就决定启用跟踪系统，这使很多家畜生产商感到压力。
In the article published today , the irish - born radiologist says that it is the first recorded case involving a person wearing headphones , and that the public should be warned 这位爱尔兰放射学家在今天发表的文章中称这是第一例有记录的有雷击受害人佩带耳机的案例。他警告大家要注意雨天带耳机。
That was the level of pessimism when veterinary researchers jonathan hill and mark westhusin got ready to deliver the world ' s first cloned bull at texas a & m university a year and a half ago 这就是一年半前得克萨斯农业和机械大学的兽医研究人员乔纳森?希尔和马克?韦斯特胡辛在即将为世界上第一例克隆牛接生时所持的悲观态度。
Since the first genetically modified organism ( gmo ) appeared in the world in 1998 , it has been developing quickly on the whole world . its planting area enlarges continually , more and more countries began to grow gmo 自从1983年世界上出现第一例转基因作物以来，转基因作物在全世界得到迅速发展，种植面积不断扩大，种植国家不断增多。
Rising seas have forced 100 people on a pacific island to move to higher ground in what may be the first example of a village formally displaced because of modern global warming , according to a u . n . report 联合国的一份报告称，由于海面不断上升，太平洋一个岛屿上的100个居民不得不搬迁到地势更高的地方去，这可能是目前全球气候变暖所导致的第一例正式"迁村"事件。
Rising seas have forced 100 people on a pacific island to move to higher ground in what may be the first example of a village formally displaced because of modern global warming , a u . n . report said on monday 本周一，联合国的一份报告称，由于海面不断上升，太平洋一个岛屿上的100个居民不得不搬迁到地势更高的地方去，这可能是目前全球气候变暖所导致的第一例正式"迁村"事件。
Their studies of human color vision have not only identified the genes responsible for colorblindness , but also defined one of the first examples of a nervous system defect for which a person ' s dna can predict both the occurrence and the severity of the disorder 他们对人类色彩视觉的研究不仅发现了色盲的负责基因，而且还发现了第一例能通过人的dna预测其发生率及严重程度的神经系统缺陷。
An estimated 650 , 000 people in china had the hiv virus at the end of 2005 , while 31 , 000 deaths due to aids have been recorded since the disease was first discovered there , unaids said in its biennial snapshot of the global pandemic 联合国艾滋病研究中心在其世界性流行疾病的两年一度的汇报上说，至2005年底，估计有六十五万中国人感染艾滋病病毒，而自从有记载的第一例病患发现以来已有三万一千人死亡。
