短語(yǔ)詞組短語(yǔ)Subject Concept Terms 給出文獻(xiàn)的主題概念詞subject terms solid propellant 固體推進(jìn)劑subject terms dual channel 雙通道Ei Subject terms 檢索;主題詞subject terms propellant binder 推進(jìn)劑粘合劑Uncontrolled Subject Terms 非控主題詞native subject terms 本土學(xué)科術(shù)語(yǔ)subject terms measurement 慣性 返回 subject term