说它古老，是因为它是最古老的一种业务形式。

Say it old, because it is the oldest one business forms.

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希望美方澄清“邮政普遍服务”的具体定义、业务形式和范围。

Please clarify the exact definition, business type and scope of coverage of universal service.

youdao

本文以网通延吉分公司为例，探讨了小灵通、数据、3g等业务形式对本地传输网建设的影响。

Take Yanji netcom communication corporation for example, discussing the impact of PHS, data, 3g service form to local transport network construction.

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