Using these equations and the iteration computing method, a variety of reconstruction problems can be solved.

用这组方程和迭代计算方法，能够求解各种类型的振幅和相位的恢复问题。

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By using these equations, the frequency-tuning characteristics of te (a) CO2 lasers, using such techniques as grating, F-P modulator, or injection locking, can be investigated theoretically.

利用这个方程组，可以从理论上研究采用各种可调谐技术(如光栅调谐、F - P调制器调谐、注入锁模等)的TE (A) CO_2激光器的调谐特性。

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For example, inclusion of equations or figures can be done using MathML or SVG, respectively; the AbiWord developers have no need to re-engineer these capabilities themselves.

比如，包含公式或者图片可以分别使用MathML或SVG实现，AbiWord开发人员不需要自己重新实现这些功能。

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And in terms of using these equations in solving problems on the exam, and also using these constants, make sure if you think there might be any chance you're going to get any little part of a problem wrong or do a calculation inaccurately, you need to write out every single step of your thinking as you write out these problems.

而当你在考试过程中用这些公式,来解题时，加上运用这些常数，如果你觉得有可能,在某一小问上出错,或者出现计算错误，请务必把你的思路一步一步地都写出来,当你在答题的时候。

麻省理工公开课 - 化学原理课程节选

Denis Noble, a physiologist at Oxford University, began using these equations to model heart cells almost 30 years ago.

ECONOMIST: Model behaviour