单词	相[位]速率
释义	相[位]速率phase speed
随便看	prototype observation for sluice structure prototype observation for underground structure prototype overlay description language file prototype--plant prototype profile prototype reaction prototype reactor prototypes prototypes & design detailing prototype structure prototype system prototype test prototype test flight prototype--test flight prototype testing prototype theory prototype unit prototype (y) prototype，archetype prototypic prototypical prototypically prototypical method prototyping prototyping evaluation and programming