The basic principle of double entry bookkeeping is that every transaction has a twofold effect.
复式记账法的基本原理是每笔交易都有借贷双方。
Thee basic principle of double entry bookkeeping is that every transaction has a twofold effect.
复式记账法的基本原理是每笔交易都有借贷双方。
This paper introduces the principle and typical operational modes of double effect distillation, and discusses its selection and application.
介绍了双效精馏的原理和几种典型的操作方式，阐明了双效精馏的选择依据和应用原则。
This paper introduces the principle and typical operational modes of double effect distillation, and discusses its selection and application.
介绍了双效精馏的原理和几种典型的操作方式，阐明了双效精馏的选择依据和应用原则。
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