q=%E5%9C%BA%E8%AE%BA%E6%80%BB%E8%AE%BA%E5%85%A5%E6%AD%A4%E3%80%82%E4%B8%93%E8%AE%BA%E5%85%A5%E6%9C%89%E5%85%B3%E5%90%84%E7%B1%BB%E3%80%82%E4%BE%8B%EF%BC%9A%E7%94%B5%E7%A3%81%E5%9C%BA%E5%85%A5o441.4%E3%80%82&searchType=standard&isFacet=true&view=standard&searchWay=subject&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
rows=10&searchWay0=marc&logical0=AND
场论总论入此。专论入有关各类。例：电磁场入O441.4。