Arcenn.阿尔森(在荷兰;东经 6º11' 北纬 51º28')
arcn.弧;弧形物vi.形成电弧;按弧形轨迹行进
arcwise connected polyhedron弧连通多面体
arcus lumbocostalis medialis腰肋内侧弓
Arcanobacterium haemolyticum溶血隐秘杆菌
arc-shaped releasing plate弧形放松板
arc-glow plasma depositing弧辉等离子沉积
arca measurement of catalyst[机] 催化剂表面积测定
arcing grounding overvoltage电弧接地过电压
arcus venosus dorsalis pedis足背静脉弓
arc-resistant enamel paint耐弧磁漆
arc perimeter strabismometry弧形视野计斜视测量[法]