target vulnerability indicator designating degree of hardness; susceptibility of blast; and K-factor (US DoD)目标脆弱性指示器指定硬度、高炉、K-factor敏感性(美国国防部) Vulnerability Number for Thermonuclear Kill脆弱性数字热核杀死 susceptibility of blast (US DoD)(我们的易感性国防部) target vulnerability indicator designating degree of hardness (US DoD)目标脆弱性指示器指定硬度(美国国防部) Vianet Technologies, Inc.Vianet技术有限公司创立于1996年