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second time derivative造句

"second time derivative"是什么意思   

例句與造句

  1. is the acceleration of the " k " particle, the second time derivative of its position vector.
  2. Commonly expressed today as Force = Mass ?acceleration, it involves differential calculus because acceleration is the time derivative of velocity or second time derivative of trajectory or spatial position.
  3. By contrast the Lagrangian approach leads to " three " nonlinear coupled equations, mixing in the first and second time derivatives of in all of them, despite its absence from the Lagrangian.
  4. The formal expression for acceleration is d瞲 / dt? i . e . the second time derivative of position; which does equal m / s?( for meters and seconds ) which is the form people who haven't leanred calculus know.
  5. Here, \ alpha _ r = \ ddot { q _ r } is an arbitrary generalized acceleration, the second time derivative of the generalized coordinates " q r " and " Q r " is its corresponding generalized force; that is, the work done is given by
  6. It's difficult to find second time derivative in a sentence. 用second time derivative造句挺難的
  7. where \ scriptstyle R is the radius of the bubble, the dots indicate first and second time derivatives, \ scriptstyle \ rho _ l is the density of the liquid, \ scriptstyle c is the speed of sound through the liquid, \ scriptstyle dp _ B ( R, t ) is the pressure on the liquid side of the bubble's interface, \ scriptstyle t is time, and \ scriptstyle p _ A ( t ) is the driving pressure.
  8. where \ scriptstyle R is the radius of the bubble, the dots indicate first and second time derivatives, \ scriptstyle \ rho _ l is the density of the liquid, \ scriptstyle c is the speed of sound through the liquid, \ scriptstyle p _ B ( R, t ) is the pressure on the liquid side of the bubble's interface, \ scriptstyle t is time, and \ scriptstyle p _ A ( t + \ frac { R } { c } ) is the time-delayed driving pressure.

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