没有定义最大值的版本范围可延伸到无穷远。
A version range with no maximum defined extends to infinity.
亚热带植被从滨海延伸至200米处的山坡,包括各种树木,尤值一提的是高大的榕树。
Subtropical vegetation stretches from the shore to 200 meters' slopes, including various kinds of trees, especially the tall banyans.
因为宇宙已存在137亿年,宇宙扩张相应的延伸距离137亿光年则是任何方向可能观测到的最大值。
The universe being 13.7 billion years old, 13.7 billion light-years—duly stretched to allow for the expansion of the universe—is the maximum distance it is possible to see in any direction.
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
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