In response to the base station receiving a received signal, the received signal having a first spread-spectrum signal and an interfering signal. The data transmission method is applied to a data center when a data packet can’t be transmitted from the first virtual machine of a first server to the second virtual machine of a second server due to the data center occurring lookup fail. and a humidity of 15% until substantially no mass change occurs, and wherein the inkjet ink, pH of which is adjusted to 7 with an acid, has a viscosity of 500 mPa\xb7s or more. A second voltage shifting circuit of the voltage level shifter shifts down a second reference voltage by the first offset voltage to output a second level-shifted voltage. The nested multiple-bit expressions expr1 andor expr2 are represented within the always statement by one or more corresponding incremental variables. The mechanical DC breaker is configured to enable breaking of a fault current in said DC conductor once said semiconductor devices of said arrangement have been turned off.