1.改变帝号。晋 干宝 《搜神记》卷六：“或禄去公室，赏罚不由君，私门成羣，不救；当易世变号。” 2.改变旗号。《宋史·郭延濬传》：“ 延濬 易旗变号，贼不知觉，斩关掩入，斩千馀级。”
变号 [biàn hào]
misc. sign reversal
网络释义专业释义
短语
变号键 change sign key
系统改变号 SCN ; system change number
变号的 alternating
系统改变号的缩写 system change number
变音记号 accidental ; etumerkki ; znak chromatyczny ; alteratie
变号解 sign-changing solutions
尾部变号电感 tailreversinginductance
变号放大器 sign-changing amplifier
变号数 change number in sign ; number of sign alternation
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sign-changing - 引用次数：28
Then the problem (2.2.1) has at least two anti-symmetric sign-changing solutions in C~30,1.
则问题(2．2．1)至少存在两个反对称变号解。
参考来源 - 非线性三阶微分方程边值问题的变号解
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双语例句原声例句
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讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性。
This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition.
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提出一种基于伴随系统和变号系统的求解电力系统经典模型稳定边界上不稳定平衡点的方法。
A new method based on adjoint system and minus system to compute unstable equilibrium points on the stability boundary of power system classical model is proposed.
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给出了广义变号函数的概念，以及在数学、力学、图论等中的应用，这一新概念有着实际的应用价值。
First, by comparing with the definition of ordinary function, the definition of the general function and the equality of two generalized functions are introduced.
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I'm using the fact that when you take a cosine and change the angle inside the cosine, it doesn't care. whereas, if you go to the sine and change the angle inside the sine, it becomes minus sine.
我用了一个结论,当你使用余弦函数时,改变角度的正负,函数值不变,而对于正弦函数,改变角度的符号,则函数值也会变号
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Or I'm canceling the 5 everywhere and changing the sign here I get t^-2t-3=0.
或者我在等号两边除以5,并变号得到t^-2t-3=0
应用推荐
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