断面系数 meaning in Chinese

coefficient of sectional form
modulus of section
section factor
section modulus

Based on the analysis and calculation of ship resistance , according to the main factors influencing the resistance , such as sailing speed , water depth and ship draft ratio , and coefficient of sectional form , the deepwater , shallow water and restricted channel are defined by the coefficient factor
摘要通过对船舶阻力的分析和计算，根据影响阻力的主要因素，航速、水深与船吃水比、断面系数，由换算系数来界定深水、浅水与限制性航道。