1937年12月南京沦陷后,在日本华中派遣军的直接操纵下,集特务、警政、行政于一体的控制机制逐步建立起来。
After Nanjing fell into Japanese hands in December 1937 , under the manipulation of the Japanese Expeditionary Forces in Central China , a control mechanism combining secret service , police and administration was established .