With a flow-actuated unloader changes to the system can effect the operation of the unloader.

流量式减压器对系统产生的变化会影响到减压器的操作。

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Results: Pelvic inflammatory diseases, abortion, IUD, pelvic cavity operation, tubal ligation and pathological changes of reproductive system have evident effect on ectopic pregnancy.

结果：盆腔炎、流产史、放置宫内节育器、盆腔手术史、输卵管结扎术、生殖系统病理改变对异位妊娠的发生有明显影响作用。

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System design part explain the system composition and principle, system realize part of shows the effect of actual operation system.

系统设计部分介绍了系统的体系结构和原则，以实现系统的实际运行中一些显示结果。

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