After years of work,his team made several of the computers,each composed of about 100 trillion synthetic DNA strands that repeatedly solved the problem,though with human help.

• 在经过数年的研究之后，史密斯的研究小组制作出了几台DNA计算机，每台都由大约100万亿个人工合成的DNA链状结构组成。这些DNA结构能够反复地解决这个问题，不过还需要人工的帮助。