The problem of gravity field recovery can be attributed to the solution of over determined system of equations.

重力场恢复最终归结为超定线性方程组的求解问题。

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As to nonlinear determined system, a criterion was presented in light of the linear equivalent stability principle;

对非线性确定性系统，利用稳定性的线性等价原理，提出了这一类非线性系统的稳定性判据；

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We cast these ranging measurements as a set of distance constraints, thus forming an over-determined system of equations suitable for non-linear least squares optimization.

我们将这些距离测量看作距离限制集，从而构成一个超定的系统方程，适用于最优非线性最小二乘。

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But we should certainly avoid heavy investment in an unsatisfactory system determined by the constraints of an unsatisfactory treaty.

CENTERFORSECURITYPOLICY: Center For Security Policy

The group determined that the system had to be easy to use, fast, reliable, easy to administer, centrally manageable and scalable.

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If the legal advice is that the proposals do cross into areas of individual liberty and human rights, then it is possible that it would be determined that a system of organ donation cannot be devolved.

BBC: Wales' opt-out organ donor bid 'may not be legal'