该算法使用点对合并的聚合方法来减少点元的数量；构造内外包络时，使用二分法寻找最佳偏移值。
The algorithm of dichotomy was applied to find the optimum declination value when the construction of inner and outer envelopment was designed.
实验表明，所得系列产品可使染料的最佳吸收波长向长波方向偏移，具有较好的匀染增深效果。
Experiments indicated that serial assistants could make the best absorption wavelength of the dyestuffs shift towards long wave, and they present better level dyeing and hyperchromic effect.
叠前深度偏移是转换波最佳成像方法。
Prestack depth migration is an optimal imaging method for PSV wave.
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