Certification of medical fault should pay attention to objective standards , judging the existence of possible risk, the offset of doctor's and patient's faults , and the space-time difference …

认定医疗过错应注意坚持客观标准、考量合理风险的存在、医患双方过错相抵以及医疗活动时空性差异问题。

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The biggest difference between time and space is that you can't reuse time.

时间和空间的最大区别是你不能重复使用时间。

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First, the partial differential equations are transformed into discrete space, discrete time nonlinear difference equations through characteristic method and finite difference approach.

首先，通过特征线法和有限差分法得到了时间离散和空间离散的非线性状态方程。

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