depth ruler
深度尺
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The ruler should be like high mountain, when look up to, its height cannot be perceived. The ruler should be like an deep abyss, its depth cannot be fathomed.
君主要象高山那样，使人仰慕效法，要象深渊那样，使人莫测其深。
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