理学 多氯联苯 释 polychlorinated biphenyl; PCB 多氯联苯 联苯苯环上的氢原子被氯原子所取代的化合物的总称。 理学 计算机硬件电路 释 printed-circuit board; PCB 印制电路板 用电子印刷术将覆盖在绝缘基材上的铜箔刻蚀为满足元器件连接要求的导电线路，从而形成的可安装并连接电子元器件的电路板。又称印刷电路板。
计算机硬件 计算机工程制造 释文 printed-circuit board, PCB 印制电路板 计算机硬件 计算机工程制造 释文 printed-circuit board, PCB 印制电路板
- the durability of civil engineering materials
- the durability of metallic materials
- The Dutch Courtesan
- the Dutch disease
- the duty for true statement
- The Dybbuk
- The Dying Slave
- The Dying Swan
- The Dying Warrior
- The Dynastic Chronicles Bangkok Era
- The Eagle Shooting Heroes
- the early architecture of Wuhan University
- The Early Learning Association Australia
- The Earth: Its Origin, History, and Physical Constitution
- the Earth's magnetosphere
- the Earth's radiation belt
- The Earth's Sons
- the earth’s crust isostasy
- the earth’s gravity field model
- the earth’s inner heat sources
- the earth’s internal heat
- the east african rift valley
- the East Asian miracle
- The Eastern Miscellany
- the eastern region