改良的小量法提取DNA，可快速、经济的提取高质量的DNA。
The method of little amount material DNA extraction was improved in some degree.
光照处理可显著提高提取物的杀线活性；
Sun light could increase the nematocidal activity of extract.
银行可妥善保管你的钱，你需要钱时可随时提取。
Banks could make your money safe and available when you need it.
银行可妥善保管你的钱，你需要钱时可随时提取。
Banks could make your money safe and available when you need it.
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