词汇	zero- level
释义	zero-level 零级,零电平
随便看	cancellation of intensities cancellation of lawer licence cancellation of licence cancellation of licences cancellation of license cancellation of lost instrument cancellation of lost instruments cancellation of material requisition cancellation of offer cancellation of order cancellation of pole-zero cancellation of purchase contract cancellation of purchase orders cancellation of quota system cancellation of record cancellation of registered case cancellation of registration cancellation of reinsurace contract cancellation of reinsurance cancellation of reinsurance contract cancellation of representation cancellation of SDR cancellation of shares cancellation of special drawing right cancellation of telegram