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4 天
满坤科技跌3.74%,该股筹码平均交易成本为31.74元,近期该股获筹码 ...
根据AI大模型测算满坤科技后市走势。短期趋势看,连续3日被主力资金减仓。主力没有控盘。中期趋势方面,上方有一定套牢筹码积压。近期该股获筹码青睐,且集中度渐增。舆情分析来看,目前市场情绪极度悲观。
4 天
SMT入门:5分钟搞懂PCB和PCBA区别!
SMT(Surface Mount Technology,表面贴装技术)是现代电子制造中不可或缺的一项技术,而PCB和PCBA则是这项技术的两大核心要素。 这些元件可以是电阻、电容、芯片等各种类型的电子部件,它们通过SMT设备的精确操作,被牢牢地固定在PCB上,并与电路板上的导电线路形成良好的电气连接。
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