方法通过对腹腔镜手术病人切口棉拭子采样检测，对腹腔镜手术器械污染情况进行了调查。

Method By cotton swab sampling examination of incision wound of laparoscopic operation patients, a survey of contamination condition of laparoscopic operation instruments was carried out.

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探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。

The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.

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应用污染几率原则，选择在沿岸地区最大污染几率的上风方位设立大气采样点。

Based on the principle of the pollution probability, the atmospheric sampling station was set up on the coastal area of upstream wind side where the pollution probability is the highest.

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