In Chapter 4 and Chapter 5, complete researches have been done respectively on the center conditions and center integral of a quintic system and a septic system.

在第四章和第五章，分别对一类五次系统和七次系统的无穷远点的中心条件和中心积分进行了完整研究。

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Septic shock often follows a bacterial infection, and is characterized by the overwhelming release of pro-inflammatory cytokines by the body's immune system.

败血症性休克常发生在细菌感染后，以机体免疫系统释放出大量的致炎(炎症前)细胞因子为特征。

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Influencing factors on purification efficiency of outflow to septic tank by means of hybrid constructed wetlands system of vertical-flow and horizontal-flow were studied.

就垂直流-水平流复合人工湿地系统对化粪池出水净化效果的影响因素进行了研究。

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The project challenged inventors to come up with a toilet that operated without running water, electricity or a septic system.

BBC: Bill Gates looks to new toilets to improve world sanitation

If you want sewerage service, you have a septic system.

NPR: New Jersey Skirts Affordable Housing Law

The county says Mr. Conway must rebuild or tear down his cabins, barn, kitchen, blacksmith shop and sawmill, and create a septic system before hosting any more classes and camps.

WSJ: Ah, Wilderness! Mountain Man vs. the Building Inspector