All the connectors you use to connect electronic devices can be seen.

对应边连接样式的封装的元器件封装库是：(　　)。 A: Edge Connectors

对应无引线芯片载体样式的封装的元器件封装库是：(　　)。 A: Edge Connectors B: leadless ceramic chip carrier

对应引脚网格阵列样式的封装的元器件封装库是：(　　)。 A: Edge Connectors B: Leadless Chip Carrier C: Pin Grid Arrays

对应"方形扁平"的元器件封装库是：(　　)。 A: (A)Quad Flat Package B: (B)Resistors C: (C)Edge Connectors D: (D)Single In-line Package

对应"有引线塑料芯片载体"的元器件封装库是：(　　)。 A: (A)Edge Connectors B: (B)Resistors C: (C)Diodes D: (D)Plastic Leaded Chip Carrier

According to , optical fiber movable connectors can be divided into two types: aligning type and non-aligning type. A: Connection method B: Structure C: Optical fiber mutual contact relationship D: Optical fiber type