It starts from rest and falls vertically downward with uniform acceleration.
它从静止开始以匀加速度竖直下落。
The problem of unobservability for a bearings only target tracking system is discussed in this paper based on the target traveling in the 2 dimensional space at a uniform acceleration.
针对二维空间作匀加速运动的目标，对纯方位系统跟踪的不可观测性问题进行了讨论。
From a numerical simulation on a practical possible mode: uniform acceleration-uniform speed-uniform deceleration we obtain the relationship between the measurement error and the acceleration value.
以匀加速-匀速-匀减速运动为例，分析了测量误差与加速度之间的关系，仿真结果验证了该方法的可行性。
Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.
爱因斯坦电梯；炮火射程；匀加速度和圆周运动的量纲分析。
Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.
爱因斯坦电梯；炮火射程；匀加速度和圆周运动的量纲分析。
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