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执行一元运算，返回数值表达式的负值。Performs a unary operation that returns the negative value of a numeric expression.

本文确定了任意格上一元多项式和二元多项式的结构，并给出了三元多项式的几个结果。The structure of unary and binary polynomials over a lattice is determined in this paper.

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一元操作符负号和二元操作符减号的区别是什么？What is the difference between the unary minus operator and the binary subtraction operator?

除了上面的一元测试以外，，你也可以通过一对操作符来对两个文件进行比较，如表2。In addition to the unary tests above, you can compare two files with the binary operators shown in Table 2.

一元操作符与其操作数之间不应有空格,除非操作符是个单词,比如typeof。No space should separate a unary operator and its operand except when the operator is a word such as typeof.

一元运算符对单个操作数执行操作，如返回数值表达式的负值或正值。Unary operators perform an operation on a single operand, such as returning the negative or positive value of a numeric expression.

如果第一项的系数为负，则需在行首打印一元运算符负号，后面没有空格。If the coefficient of the first term is negative, it is preceded by a unary minus in the first column, with no intervening blank column.

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本文确定了任意格上一元多项式和二元多项式的结构，并给出了三元多项式的几个结果。The structure of unary and binary polynomials over a lattice is determined in this paper. Moreover, some remarks on trinary polynomials are offered.

在我们的四则运算表达式里面我们可以利用继承实行从一元到二元操作符的表示，但它实质上会干扰测试。In our arithmetic expressions we could have used inheritance to get from a unary to a binary operator node, but that would substantially violate the test.

在水循环上，现代环境下的流域水循环也已经由过去的一元自然循环演变为“自然-人类社会”的二元循环。In the water, the modern environment of river basins in the past has evolved into the unary natural circulation "nature"-human society of binary circular.

那麽，我们要将它书写在哪里？这个「单一特征」，对于这个小客体的测量的运作是很重要的，因为没有一个小客体有背景支持。So then, where does one write it, this unary trait which is essential to operate for the measure of the little o-object, because no little o-object has a back.

在一元泛代数上引入了双同余关系，从而使双同态映射与双同构映射得到了沟通。In this paper we have given the concept of double-congruence, by which the concepts of double-homomorphism and double-isomorphism in a unary algebra are linked together.

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考察了一元铂与二元铂铑两种贵金属催化剂对氰化氢的催化燃烧效果，探讨了温度、氰化氢浓度、空气含量及气体空速等因素对脱除氰化氢的影响。The catalytic combustion of hydrogen cyanide was studied separately in presence of two kinds of noble metal catalysts, i. e. , unary platinum and dualistic platinum-rhodium.

提出了半涡轮叶轮计算方法，使单进口涡轮机一元流分析法得以在双进口无叶涡壳涡轮机上应用。The calculating method of half turbine leaf was put forward, so it was possible that the single inlet turbine unary flow analysis method could be applied to the no leaf turbine.

应用一元线性回归理论讨论了再生轴承选配率与轴承损伤数量之间的定量关系。Applied the theory of unary linear regression, the quantitative relation between the selection and assembly rate of regeneration bearing and the damaged quantity of bearing is discussed in the paper.