在古巴，因特网被严格管制，出售那些属于医生、教授和计算机技术人员账户时间的人都是秘密进行交易。
The Internet is strictly regulated in Cuba, so those who sell time on accounts that belong to doctors, professors and computer technicians do so on the sly.
计算机的维修工作由计算机技术中心人员或计算机技术中心指定的技术人员进行。
The repair of computers is charged by the personnel from or assigned by the computer technical center.
计算机技术的迅猛发展，使应用数学家、工程师和科学技术人员在处理以往棘手问题上有了很大的进展。
The rapid advance of computer technology has enabled applied mathematicians, engineers and scientists to make significant progress in the solution of previously intractable problems.
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