求翻译：本文主要介绍多重PCR、等位基因特异PCR、缺口PCR，现在在遗传疾病诊断方面的具体应用，并针对其原理和诊断过程中的缺陷提出建议。最后，初步估计它们的发展前景和发展方向。是什么意思？

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This article primarily describes multiple PCR located genes, such as catechins, gaps PCR PCR genetic disease diagnosis, and now in the specific applications and, referring to its principles and diagnostic defects in the process. Finally, preliminary estimates their prospects for development and dire

This article main introduction multiple PCR, allele special PCR, gap PCR, diagnose the aspect now at the heredity disease the concrete application, and aims at in its principle and the diagnosis process flaw puts forward the proposal.Finally, preliminary estimate their prospects for development and

This paper mainly introduces the multiplex PCR and allele-specific PCR, gap PCR, now in the specific applications for the diagnosis of genetic diseases, and make recommendations during its principle and diagnosis of defects. Finally, the preliminary estimates of their development prospects and direc