Through an index of risk lever, the effect of intrinsic characteristic of risk of two-sided users is identified by this paper.

通过构造的一个风险杠杆指标，将用户的内在风险特征因素引进到了双边市场定价问题中来。

youdao

Conclusion: the oxygen therapy effect of nasal cannulae and changed two-sided hole pipe is same, but the changed two-sided hole pipe is to surpass the nasal cannulae to receive the oxygen.

结论：改良双侧孔导管吸氧和双孔导管吸氧两种吸氧方法的氧疗效果相同，但是改良双侧孔导管吸氧优于双孔吸氧管吸氧。

youdao