例句與造句

1. They are the stellar evaporation in the tidal field , the stellar evolution during the early evolutionary stage , the tidal shocks due to clusters passing through the bulge and disk , and the dynamical friction
   本文考慮的動(dòng)力學(xué)過(guò)程有四種，即：恒星蒸發(fā)、早期大質(zhì)量恒星的演化、銀河系核球和盤(pán)的沖擊加熱以及動(dòng)力學(xué)磨擦。
2. It's difficult to find dynamical friction in a sentence. 用dynamical friction造句挺難的