artificial day人工日
artificialadj.人造的;虚伪的;武断的
artificial water supply[机] 人工给水
artificial immunization人工免疫法
artificial femoral head人工股骨头
artificial transmission人工传染
artificial humerus head人工肱骨头
artificial preciptation人工降水
artificial digging pile人工挖孔桩
artificial skating rink人造滑冰场
artificial insemination人工授精
Artificial facilitation人工促进