ISO 1122的这一部分涉及 国际齿轮词汇 仅限于几何定义。 它给出了每个几何项相对于 gears，一个有效的标准定义 在国际上，每个 在这种情况下尽可能地选择语言 以直接反映 释义 注:由于相应术语的选择 由于 尊重某些既定原则的必要性 就翻译成其他语言而言，惯例是可取的 就语言而言，总是指 定义本身，而不是简单的 原始术语。

This part of ISO 1122 concerns the part of the international vocabulary of gears which is devoted solely to geometrical definitions. It gives, for each of the geometrical terms relative to gears, a standard definition which will be valid internationally, the corresponding term in each language being chosen as far as possible in such a way as to directly reflect the meaning of the definition. NOTE — Since the choice of corresponding terms can only be partially fulfilled in any particular language, due to the necessity of respecting certain established conventions, it is advisable, as far as translation into other languages is concerned, to refer always to the meaning of the definition itself, rather than to a simple transposition of the original term.