实验设计(Design of Experiments)或设计实验(Designed Experiments) 是一系列试验及分析方法集,通过有目的地改变一个系统的输入来观察输出 的改变情况。图1-1 示出一个系统示意图。
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文特尔说，从长远来看，藻类应该被设计上“自杀基因”，一旦他们从实验室或燃料生产设施里逃逸就会自然死亡。
In the long run, Dr. Venter said, the algae should be given "suicide genes" that would kill them if they escaped the lab or fuel production facility.
实验设计直截了当：受试者被赋予从20到35欧元的各种不同的奖励幅度和不同的兑现时间（立即，30天或45天）。
The experiment was straightforward: subject were given a variety of different reward magnitude, from 20 to 35 euros, and a reward delivery time (immediately, 30 days, or 45 days).
RetroScreen将在今年9月测试吉尔伯特的疫苗——首次为查看潜在的通用流感疫苗是否可以预防或减轻疾病严重程度设计的实验。
RetroScreen will be testing Gilbert's vaccine this September - the first-ever trials designed to see if a potential universal flu vaccine can prevent infection or reduce disease severity.
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