目的为了解蝇类的季节消长情况,珠海出入境检验检疫局于2003年3月-2004年2月对珠海地区7个口岸进行了蝇类调查。
Objective In order to know about the original condition of flies at Zhuhai Port , the investigation had been done by Zhuhai Entry-Exit Inspection and Quarantine Bureau between March 2003 to February 2004 . Methods Collect by Cage .