SMD

例句：

1. 1. SMD stands for "Single Modular Device" in some contexts.
   在某些上下文中，SMD代表“单模块设备”。
2. 2. In the manufacturing industry, SMD is often used to refer to small electronic components.
   在制造业中，SMD通常用来指代小型电子元件。
3. 3. The engineer designed an SMD circuit board for the new product.
   这位工程师为新产品设计了一个SMD电路板。