spocn.单点轨道计算器SPabbr.自已推进的(=self-propelled)Sphaeractinoidea球射层孔虫类spheric pendulum球面摆spherical bodies[医] 球形体spheric polisher球面磨光器spheric harmonic球面揩波sphacelinic acid[医] 麦角毒酸splinted forceps裂片镊splenic branches脾支SPME-GC/ MS固相微萃取-气相色谱/质谱联用技术spheric catalyst球形催化剂