为了构造有效的数值方法，首先要考虑到数值方法的收敛性和稳定性。

Convergence and stability need to be considered before developing efficient numerical methods.

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为了准确地预测铝合金板材成形极限，将韧性断裂准则引入到数值模拟中。

To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.

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网格品质的好坏直接影响到数值模拟的精度和数值计算的收敛性，而且这种影响在许多情况下甚至是决定性的。

The quality of grid directly affects the precision of numerical simulation and the convergence of numerical compute, Furthermore, this effect is even crucial in many instances.

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All velocities I see you will add a certain number to get the velocities according to you.

而我观察到的速度,你也要给它加上某个数值,来得到你观察到的速度

耶鲁公开课 - 基础物理课程节选

When the uncertainty gets that big, you don't know which came first.

当不确定度到那么大的数值时，你不知道谁是第一个到达的。

麻省理工公开课 - 固态化学导论课程节选

Then, once we did that we could plug that into the formula that I gave you last time and get the standard deviation of the portfolio and the expected return on the portfolio.

再将估算出的数值代入到,上节课给你们的公式中,就能得到资产投资组合的标准差,和该投资组合的预期收益率

耶鲁公开课 - 金融市场课程节选