The manufacturing method comprising: weighing the material according to the weight percent;
其制备方法包括按重量配比秤取原料；
Therefore, as the silver coin material is the Han Dynasty after the thing, as cast into various shapes weighing money to pay, started in the Tang and song dynasties.
因此，白银作为币材是汉武帝以后的事，作为称量货币熔铸成各种形状以便支付，始于唐宋。
The paper established a quantitative weighing system for grainy material by designing software and hardware based on DSP and obtained the better discernment results.
本文完成了基于DSP的粒状物料定量称重系统的软硬件设计，并取得了较好的结果。
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