周围血管外科 Vascular surgery
外筛包围维管束 amphicribral bundle ; ectophloic concentric vascular bundle ; amphicribral concentric vascular bundel
外木包围维管束 ectoxylar concentric bundle ; leptocentric bundle ; amphivasal concentric vascular bundle ; amphivasal bundle
外木质包围维管束 ectoxylar concentric vascular bundle
外围设备管理器 peripheralManagerperipheral
外围输出控制系统由发光二极管、继电器、数字开关等模拟外围设备，控制其它的弱电设备和一般的强电设备。
The periphery output control system is composed of analog peripheral device such as LED, relay, digital switch etc, to control the other weak-current devices and general heavy-current devices.
它的关键思想是将改进结构的GTO与反并联二极管和门极驱动电路集成在一起，再与其门极驱动器在外围以低电感方式连接。
Its key idea is that integration of GTO with improved structure, antiparallel freewheeling diode and gate drive circuit, then connects its gate drive by low inductance.
每个内部晶体管单元(不是外围晶体管单元)还包括第一导电型的源区，其位于与凹槽相邻的体区中。
Interior transistor cells, but not the peripheral transistor cells, each further include a source region of the first conductivity type in the body region adjacent to the trench.
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