They also were measured while stepping as far as they could in three directions: forward, to the side and backward (the maximal step length test).
还要测试他们最大限度地向三个方向跨步，向前、向侧和向后(最大的步长测试)。
It first appeared in 1967, the "Berne Convention" Stockholm text, expressed as a result of the three conditions, so it is called three-step test.
它最早出现在1967年的《伯尔尼公约》斯德哥尔摩文本中，因表述为三个条件，故被称为三步检验法。
It first appeared in 1967, the "Berne Convention" Stockholm text, expressed as a result of the three conditions, so it is called three-step test.
它最早出现在1967年的《伯尔尼公约》斯德哥尔摩文本中，因表述为三个条件，故被称为三步检验法。
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