不分年级班级  ungraded classes; nongraded class

无年级学校  nongraded school

无年级制  nongraded system

星级班级  star team

4四号荞麦级无烟煤  buckwheat

RX行星环锥无级变速器  RX planetary tapered stepless transmission

Zero-Max型无级变速器  Zero-Max type CVT; Zero-Max CVT

变频器远程无级调速  distance stepless speed regulation by transducer

差动式无级变速减速  Differential type stepless variable moderator

超级无源光网络  super passive optical network

出墨量无级调节  Ink stepless adjusting mechanism

低级无烟煤  low rank bituminous coal; low rank anthracite

电磁耦合无级变速器  amplified spontaneous emission

电磁耦合无级变速系统  electromagnetic continuously variable transmission; electromagnetic continuously-variable transmission

电感无级调光  unlimited dimmer

电力无级变速  EVT

电无级变速器  EVT; Electrical variable transmission

电子无级调速  e-cvt

二级无穷小邻域  second order infinitesimal neighborhood