偏穿孔
off-punch
票证穿孔器
billing punch
全穿孔
lace; lace punch; lacing
全穿孔纸带
fully-perforated tape
频群
frequency group
平移群
translatina grous
亲细胞群
cytophil group
群
bevy; caboodle; clot; cluster; covey; flock; gang; group; horde; knot; swarm; throng; troop
group; herd
群变化
group variation
群变换
group translating
群标
group mark
群表示
group representation
群勃龙
trenbolone
群策群力
pool the wisdom and efforts of everyone
群单元
group unit
群岛
archipelago; isle
群迭代法
group iterative method
群多路复用器
group multiplexer
群芳
beautiful women or fragrant flowers
群轨道
group orbital