It has second order accuracy in time.
该算法在时间上具有二阶精度。
Compared with first-order perturbation, second-order perturbation stochastic finite element has the advantage of higher accuracy.
与一阶摄动随机有限元相比，二阶摄动随机有限元具有较高的计算精度。
The present numerical method has the second order accuracy in time and no than the third order accuracy in space.
该格式在时间上具有二阶精度，在空间离散上不低于三阶。
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