但是，来自密歇根大学的研究者强调他们的研究还处于初级阶段，一例检测需要5年左右。

However, the researchers, from the University of Michigan, have stressed their work is still at an early stage, and a test is still around five years away.

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结果①140例妊娠男性胎儿的孕妇中有108例检测出DYS14基因电泳带。

Results:(1)The DYS14 gene electrophoresis bands were identified in 108 of 140 male-bearing pregnant women.

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它显示了阐明问题的代码样例，也给出了关于避免、检测和修复问题的详细信息。

It shows code samples illustrating the problem and also gives detailed information on avoiding, detecting, and fixing the problem.

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So there's not a counterexample, now that we interpret the relevant notion of invisibility as undetectibility.

所以就没有了反例，因为我们给出的无形这个词的解释,是无法检测。

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