Scientists using this theory to trace our universe backward in time have found that its beginning point had a minimum volume that is not zero and a maximum energy that is not infinite.
科学家使用该理论追踪我们的早期宇宙，发现宇宙开始点拥有一个最小的体积，但是并不是零，一个最大的能量但不是无穷大。
"It gives you a point to work forward or backward from," Thompson explains.
汤普森解释道，“问清楚了，也好给自己一个时间定位，是向前还是向后。”
Imagine a future where time travel is possible. We are free to travel backward in time to any point in history.
假设，在未来的某一天，时光旅行成为可能，我们可以穿越到历史上的任意时刻。
I won't spoil the fun (and it is fun) by explaining exactly how Shulman proceeded and what he discovered as he worked backward from that point.
我不会进一步解说舒尔曼之后的进展，以及此后他是怎样发现这件事情的，这会破坏您阅读的乐趣（的确是一种乐趣）。
Turn your arms outward (or laterally) so your palms face away from your torso and thumbs point backward.
双臂向外（或者侧边）打开，手掌转离躯干，大姆指指向后。
These talks point out the direction and pour new driving force for the rising of Chinese tourist industry from weak and backward basis.
这些谈话，为我国旅游业在弱小落后的基础上实现崛起，指明了方向，注入了新动力。
During the searching process, the connected runs forward and backward from the start point of current run on its neighboring levels.
在游程搜索过程中，在当前游程的相邻两行上，以其左端点为起始点分别向前向后进行连通游程的搜索；
Navigate Backward drop-down list, point to the current graph, and then select a node.
向后巡览下拉式清单、指向目前图形，然后选取节点。
Inhale, point toes and kick backward once.
吸气，跖屈向后踢一次。
So, sum up the last point - after work but also as a backward students "free up classes."
所以，总结出来最后一点是——下了班还要为后进生“无偿补课”。
Here, we show that it is possible to realize a backward scattering force which pulls a particle all the way towards the source without an equilibrium point.
但他们发现利用向后的散射力牵引粒子向后运动在理论上是可行的。
Combining the separation principle with the theory of forward and backward stochastic differential equations, we obtain the explicit observable Nash equilibrium point of this kind of game problem.
结合分离原理和正倒向随机微分方程理论，我们得到了显式的可观测的Nash均衡点。
Combining the separation principle with the theory of forward and backward stochastic differential equations, we obtain the explicit observable Nash equilibrium point of this kind of game problem.
结合分离原理和正倒向随机微分方程理论，我们得到了显式的可观测的Nash均衡点。
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