RESEP=Reentry Systems Environmental Protection 重返大气层系统环境保护RESn.电阻器Residing Preference居留意愿residuary stability剩余稳性resonable selection合理选择Resourse protection资源保护residuce class ring剩余类环respiratory history呼吸病史resonator alignment调腔共轴方法respiratory reserve呼吸储备(力)respiratory chamber呼吸室respiratory ferment呼吸酶