我们还利用自行设计的一套制膜工具，为本BAC文库制备了中密度菌落杂交膜。
We have also prepared middle —density hybridization filters for this BAC library using a tool designed by ourselves .
该套制玉工具为深入了解和研究当时的制玉生产及工艺流程提供了宝贵的实物资料。
This set of jade production tools provides valuable information for studying jade production and the flow of crafts during that particular period.
她的朋友小鸟从树上飞出来，为她带了一套金银制成的礼服和一双光亮的丝制舞鞋。
Then the bird threw a gold and silver dress down to her, and slippers embroidered with silk and silver.
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