最后考虑在齐次Dirichlet边界条件和非负的初值条件下,如果前向时间(forward in time)的Ginzburg-Landau方程的解在某一有限时间blow up,利用微分不等式的技巧得到blow up发生时间的一个下界。
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它必须及时前进。
Let's imagine that someone from the year 1970 miraculously traveled forward in time to today.
想象一下,有人从1970年奇迹般地穿越时空来到我们今天的世界。
As such, consider making the frames play backward or forward in time depending on which button was clicked.
因此,帧在时间上是反向播放还是正向播放,取决于按下了哪一个鼠标按键。
He told CIA employees that it is time for the nation in general and the intelligence community in particular to move forward.
VOA: standard.2009.04.20
If that's all it knows, then in that scenario there is no building or anything else; it continues a trajectory both forward in time and backward in time, and it says that whatever seconds, one second before you set your clock to 0, it would've been on the ground.
如果是这样,在那种模式下,没有楼房或者别的什么,物体的运动轨迹可以沿时间可以向后延伸,也可以向前延伸,不管时间取什么值,在零点前一秒时,物体就在地面上
In my free time, I so look forward to not being on the computer.
空闲的时候,我太希望不要对着电脑了。
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