The transform assures the invariability of the image's moving and scale, and obtains the optimal solution.
这种变换关系保证了图像变换平移不变性和规模不变性，从而保证了全局优化的结果。
2
The stability trend and checking methods of GATo-3 propellant was given by the experiments of aged and invariability.
通过加速老化试验和安定性测试，找出了改铵铜-3安全性变化规律及检测方法。
3
Furthermore, we modify algorithm through compressing the parameter space so that the consistency and invariability of the estimator can be simultaneously guaranteed.