大弧 meaning in Chinese

major arc

At the same time , with a lot of experiments , the technique of improving deterring - impact of thick - web double - based oblate spherical propellant powder
同时，本文还通过大量实验，分析和总结了改善大弧厚双基球扁药钝感效果的工艺方法。
In this thesis , based on analyzing the data , home and abroad , and manufacturing thick - web single - based oblate spherical propellant powder at nust , the technique of manufacturing thick - web double - based oblate spherical propellant powder was presented , and various affecting factors on its shape and density were discussed , and the technique of improving shape and density was brought forward
本文在总结国内外大量资料和南京理工大学对单基大弧厚球扁药制造的基础上，研究了大弧厚双基球扁药的制造工艺，详尽探讨了影响其药型和密度的各种因素，并在此基础上提出了能较好地改善其药型、提高其密度的工艺条件。