以上来源于: WordNet
It is now necessary to introduce a sign convention for radii of curvature.
现在必须介绍曲率半径的正负号规则。
The radii of curvature are generally large in order to achieve adequate range of vision.
半径曲率一般都是大，以达到足够的视线范围。如此庞大的半径也有可取的审美原因。
The analysis results in the paper indicate that the effect of the curvature radii should be reckoned in the analysis of the vehicle-bridge coupled vibration about the continuous curved girder Bridges.
分析结果表明在曲线梁桥的车桥耦合振动分析中应计入曲率半径的影响。
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