例句與造句

1. It has been suggested that small values be assigned to them to account for the galactic acceleration constant ( also known as dark matter ) and the dark energy constant.
2. If the mass falls according to an acceleration constant of-g, and that means that it has a velocity of-gt at time t, does that mean that its actual velocity then becomes-gt + kgt when incorporating the effect of air resistance?
3. It's difficult to find acceleration constant in a sentence. 用acceleration constant造句挺難的