And at time zero, when it is there, it has a velocity in that ellipse.
时间为0时，在轨道上有速度。
If you write enough, you begin to learn to do things.But in a way you do start from zero each time.
如果你写了很多，就可以开始学习做事，但每次都是从零开始。
When the object is here it is again zero at this moment in time.
而当物体移动到这里时，其速度也为0，对应着这个时刻。
What is the acceleration in the y direction at time zero?
那y方向上,0时刻的加速度是多少？
It is zero hour thirty universal time. Here's the news in Special English.
现在是世界时间零点三十分。这里是特别英语的新闻。
The temperature will stay above zero in the day-time.
白天的气温将保持在零度以上。
The temperature will stay above zero in the day time, but at night it will fall below zero again.
白天气温将保持在零度以上，但在晚上又将降到零度以下。
Zero Inventory is guaranteed by the full market supply and Just-In-Time (JIT).
零库存要由充足的市场供应和准时制配送来保证。
Thee goal of just-in-time purchasing is zero inventory.
准时制采购的目标是零库存。 。
If the stipulated time, the value to zero in love, the game failed.
若在规定的时间内，爱心值降为零，则游戏失败。
Play motion sensing game in home, zero time delay control experience, accurate.
在家畅玩体感游戏，零延迟体感操控，精确感应手势动作，游戏更尽兴！
In the same time we let the relative displacement be zero.
同时令相对位移为零可得出中性点位置。
In the same time we let the relative displacement be zero.
同时令相对位移为零可得出中性点位置。
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