生物信息学产生的背景是什么?What is the background of Bioinformatics?
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生物信息学的主要研究内容有哪些?what is the task of bioinformatics?
生物信息学的研究的终极目标是什么?what is the dead aim of bioinformatics?
_____________ , that's conservatively the total hours our national team of craftsmen has worked safely each of the last three years.
A. Ten billion man-hours
B. Ten thousand man-hours
C. Ten million man-hours
D. Ten triillion man-hours
Our turbine techs worked on the mid-american wind farm in Adair Iowa tradesmen international.
A. 对
B. 错