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汉语拼音：dài shù hé

两个或更多的数或量按照代数加法规律取符号（如 +或-）的总和。

• Potentials may be summed by the law of algebraic addition.

  势可用代数和的定律来相加.

• The faithless tutor entertained him with sentimental conversations in place of lectures on algebra and Greek.

  这位不忠实的老师,用充满感情的谈话代替代数和希腊文来使他欢心.

• On the whole they taught just a modicum of arithmetic, algebre, and geometry.

  一般说来,它们只教一点算术, 代数和几何.

• The meter reading will be the algebraic sum of all these sources.

  而电压表的读数则是所有这些源的代数和.

• Students should have some familiarity with commutative algebra and basic topology.

  学生需要对交换代数和基本拓扑学有一定的了解.

• The concept of innovation angle difference sum in a loop is proposed.

  提出回路新息相角差代数和的概念.

• Understand relational algebra and calculus and why they are important.

  理解关系代数和微积分,他们为什么是重要的.

• The algebraic sum of the through variables associated with the edges to any vertex is zero.

  关联于任一顶点的各边所附带的流通变量的代数和为零.