例句與造句

1. Note this is directly analogous to the drag coefficient since the chord can be interpreted as the " area per unit span ".
2. The section lift coefficient is based on two-dimensional flow over a wing of infinite span and non-varying cross-section so the lift is independent of spanwise effects and is defined in terms of l, the lift force per unit span of the wing.
3. The lifting flow around a 2D airfoil is usually analyzed in a control volume that completely surrounds the airfoil, so that the inner boundary of the control volume is the airfoil surface, where the downward force per unit span-L'is exerted on the fluid by the airfoil.
4. The lift per unit span ( L') acting on a body in a two-dimensional inviscid flow field can be expressed as the product of the circulation ? about the body, the fluid density " ? ", and the speed of the body relative to the free-stream "'V " '.
5. Assuming that most people who achieve the title of oldest person alive only hold it for a short enough time for this approximation to be globally valid  which is to say, for only a small fraction of the standard deviation of the human lifespan  then it makes sense to speak of the " average mortality rate of the oldest person in the world ", which simply equals the average number of times this title changes hands in a unit span of time .  talk ) 03 : 36, 4 January 2006 ( UTC)
6. It's difficult to find unit span in a sentence. 用unit span造句挺難的