Minimum Industrial Sustaining Role最小的工业持续的作用 Major Item Status Report主要项目状态报告 Multiple-Input Shift Register多输入多输出移位寄存器 Multiangle Imaging Spectro-RadiometerMultiangle成像Spectro-Radiometer Mars ISRU Sample Return火星ISRU样品退回 Multiple-Input Signature Register签名登记模 Master Interrupt Service Routine主人中断服务程序 Mobile Intercept Resistant Radio移动拦截抗无线电 Multiple Input Signature Register多个输入签名登记 Multi-Angle Imaging Spectrometer多角度成像光谱仪