一、检定规程中应该对电子收费计时器（以下简称计时器）的定义做出明确解释ＪＪＧ１０７ -１９９５规程适用于新制造、使用中和修理后的各类计时器的检定。显然各种公用电话计费器、卡式电话（包括ＩＣ卡电话、磁卡电话等）、投币电话等的检定适用本规程。但本人认为集中管理 First, the verification procedures should be the definition of electronic charging timer (hereinafter referred to as the timer) to make a clear explanation JJG107 -1995 procedures applicable to the new manufacturing, use and repair of various types of timer verification. Obviously, all kinds of public telephone feeders, card-type telephones (including IC card telephones, magnetic-card telephones, etc.), coin-operated telephones and other accreditation apply to this regulation. But I think centralized management