Aiming at the poor practicability of existing surface graphic mapping methods, a new graphic mapping technique on a NURBS surface is presented.
针对现有曲面图形映射方法实用性不强的缺陷，提出了一种NURBS曲面图形映射方法。
SBT, MAK-2, GR-DEN and acoustic log tools in china have some shortcomings in evaluation of cementing bond quality, such as poor practicability and long time interpretation, etc.
伽马密度测井仪和国产各种声波密度仪器在固井质量评价过程中存在着实用性差及处理解释时间长等缺陷。
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