star set是什么意思

用法例句

By comparison with planetary transmissions, the motion properties of pulse and planetary distributional continuously variable transmission in NW and WW planetary system have been studied and investigated.

通过对基于NW及WW型行星传动的星形布置的脉动式无级变速器与行星传动的对比分析 ,研究了星形布置的脉动式无级变速器的运动特性 ,结果表明两种无级变速器虽然结构相似 ,但其运动特性完全不同 ,应在结构设计时予以重