A recent survey showed a continued increase in acceptance of IEC 61511 /ISA 84.01 -2004.Since the IEC version of the standard was only released in the spring of 2003,the acceptance rate might be considered surprising.Many companies are updating their corporate standards to match.Several major engineering integration companies are having their internal procedures revised to meet requirements of the standard.Then they are having a third-party assessment and 61511 process certification.Why all this activity?
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机译：最近的一项调查显示，对IEC 61511 / ISA 84.01 -2004的接受程度持续上升。由于该IEC标准仅在2003年春季发布，因此接受率可能令人惊讶。许多公司正在将其公司标准更新为匹配。几家主要的工程集成公司正在对其内部程序进行修订以满足标准的要求，然后又进行了第三方评估和61511工艺认证。为什么要进行所有这些活动？
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