样品的制备采用包覆技术。
佐料和调味品。芥菜子。实验室分析用样品的制备。
Spices and condiments . mustard seeds . preparation of sample for laboratory analysis.
本文主要介绍了硅中硼离子注入校准样品的制备与研究。
Fabrication and research of calibration samples for boron ion implantation into silicon are discussed.
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