词汇	anticipated life span
释义	anticipated life span 预期寿命
随便看	space veetor pulse widtb modulation space vehicle space-vehicle antenna space vehicle attitude control Space Vehicle Booster space-vehicle communications space-vehicle control space vehicle development space vehicle guidance space vehicle model space vehicle photograph space vehicle power plants Space Vehicles Space Vehicle System Space Vehicle to Space Vehicle space velocities spacevelocity space velocity space velocity, SV space venture space versus time trade-off space versus time trade-offs space very long baseline interferometry space vetcor pulse width modulation space vetor pulse width modulation