V电子被注入P区,历空穴被注入N区 Electrons are injected into the p region, and holes into the Region v In the table, a notation(fri of infinite impedance indicates that the terminating impedance should be a minimum of10tol00 times the nominal(额定 impedance at the specific port, and zero that it should be well less than a tenth the nominal impedance at the port and less than a hundredth if possible.电子被注入P区，而空穴被注入N区。 Electrons are injected into the P region, and holes into the N region.  In the table, a notation(标记) of infinite impedance indicates that the terminating impedance should be a minimum of 10 to 100 times the nominal(额定) impedance at the specific port, and zero that it should be well less than a tenth the nominal impedance at the port and less than a hundredth if possible