These options control tables, repeat regions, and BOM balloons!

这些选项控制表、重复区域、材料清单球标！

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Methods Specific primers for amplifying DC-SIGNR repeat regions were designed, and the PCR products were analyzed by electrophoresis.

方法设计特定引物，用PCR方法对DC-SIGNR基因绞链区重复序列进行扩增，用凝胶电泳法对其产物进行分析。

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Next, scientists look at tandem repeats, or the repeat of two or more nucleotides, in roughly 13 to 15 regions of a DNA sample called loci.

接下来，科学家对DNA样本中称为位点的13至15个区域的串联重复或两个以及多于两个核苷酸的重复进行观察。

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The AU must not repeat the mistakes of the previous OAU. The continent is so big they may have to divide it into regions and have regional AU offices for Southern Africa, Central Africa, East Africa, West Africa and North Africa perhaps.

BBC: African Union: What are its prospects?