Modern-day analysis of the Steganographia shows that the tricky mathematics and magic were a ruse to keep this useful technique out of the hands of those that would abuse it.
现代科学研究《隐写术》一书发现，精妙的数学运算和魔法不过是为了防止该技术落入心术不正之徒手中所耍的花招。
The text was particularly interesting for Dee because he was actively engaged in spirit magic and was an evangelist for the fledgling science of mathematics.
迪对这部书很感兴趣，因为他自己就积极地研究法术，他当传教士是为了掩人耳目，不让人发现他在研究数学。
This magic wheel and round refers to mathematics game toy.
数学魔轮和数学魔圆是数学运算游戏器具。
This magic wheel and round refers to mathematics game toy.
数学魔轮和数学魔圆是数学运算游戏器具。
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