The position and speed of a body falling freely from rest after successive intervals of time (figure not shown) is dealt with in what follows.

关于一个从静止状态自由下落物体在经过各连续时间间隔后的位置和速度(图略)在下面进行讨论。

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By this, means the time of the catechumenate, which is intended as a period of suitable instruction, may be sanctified by sacred rites to be celebrated at successive intervals of time.

如此使这专为接受适当训练而定的慕道时期﹐藉著逐次举行的圣礼﹐而得以圣化。

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