Negative Binomial Importance Sampling负二项重要抽样 Network for Business Innovation & Sustainability (Kirkland, Washington)网络和可持续发展的业务创新,华盛顿(科克兰德) National Bridge Inspection Standards全国桥梁的检验标准 Narrowband Interference Suppression抑制窄带干扰 National Biosurveillance Integration System国家生物监控集成系统