The experiment, demonstration and popularization provide the quick recovery of shrub-grass in semi-arid region of Loess Plateau with scientific foundation.
该体系的组装配套与试验、示范、推广为黄土高原农牧交错区灌草植被的快速恢复提供了重要的科学依据。
Although using nested or semi-nested PCR can prominently increase PCR specificity, it really cannot efficiently amplify quick evolving region of DNA in our research of gene Fak56D.
虽然巢式和半巢式PCR等能显著提高扩增的特异性，而应用于高变异区的扩增结果仍是杂带多或涂抹严重，不能满足后续实验需要。
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