| 1. | The finite element method does not exhaust the possibilities for variational methods .
有限单元法不能排除变分法。 |
| 2. | The variational parameter multiplying each coordinate is called a scale factor .
每个坐标所乘的变分参数叫定标因子。 |
| 3. | Perturbations of the force field will cause changes, or variations, of the displacement field .
力场的扰动要引起位移场的变化或者说变分。 |
| 4. | In order to keep variations negligibly small, only small perturbations will be considered .
为了使变分小到可以忽略的程度，仅考虑微小的扰动。 |
| 5. | We must seek two main approximation methods of solution, the variation method and perturbation theory .
我们必须寻求两个主要的近似解法、变分法和微扰法。 |
| 6. | Variational principles play an important role in the formulation of many problems of mathematical physics .
变分原理现在许多数学物理的表述中起着重要作用。 |
| 7. | The process in which we make any trial variation function satisfy the varial theorem is called scaling .
我们使任一尝试变分函数满足维里定理的方法叫做定标。 |
| 8. | Successful use of the variation method depends on our ability to make shrewd choice of the trial function .
成功地应用变分法取决于对尝试函数作精明选择的能力。 |
| 9. | The relatively new finite element method and associated variational methods are developing into important numerical tools .
相当新的有限单元法和相关的变分法正在发展为重要的数值手段 |
| 10. | the function is called a trial variation function and the integral in(8. 1)is called the variational integral.
函数叫做尝试变分函数，（81）式中的积分叫做变分积分。 |
