RESEP=Reentry Systems Environmental Protection 重返大气层系统环境保护RESn.电阻器resonator frequency共振频率respiro-flowmeter呼吸流量计Respiratory-tract呼吸道resolving hard lump软坚散结Resonable Treatment合理救治resouree allocation资源分配respiratory protein呼吸防护resolving mechanism解算机构residuosity problem剩余问题respiratory dyspnea呼吸困难