external aim外部的目的externaladj.外来的；外部的；外面的；表面的n.外观；外部；外界事物external capsule hemorrhage外囊出血external circulating system外部循环系统, 体外血液循环装置external gear type oil pump外啮合齿轮油泵external compression shocks外压波系external cathode resistance阴极输出器外电阻external vortex transformer外部旋流变换器external device instruction外部设备指令external hydraulic pressure外水压力external lip of iliac crest髂嵴外唇external stimulating factor外界刺激变量

1. Individual events in the external world have a relation to something they signify.
   客观世界中的个别事件都同其所意蕴的某种事物有关。
2. We should transform our subjective world while transforming the objective world.
   要在改造客观世界的同时改造主观世界。