英语词汇variation of sign怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	variation of sign
释义	variation of sign 简明释义符号变异网络释义 1 ?符号变更 ... variation of parameter 参数变值法 variation of sign 符号变更；正负号的替代 variation of stresses 应力变化 ... 2 ?号的变更 Variation Of Signs(号的变更), 此释义来源于网络辞典。 3 ?正负号的替代 variation of sign ==> 符号变更,正负号的替代 variation of stresses ==> 应力变化 .. 4 ?符号变化 ... variable变量 variation of sign符号变化 zero of a function函数零点 ... 双语例句 1 Another sign of the presence of a black hole is random variation of emitted X-rays. 另一种黑洞存在的标志是x射线辐射的随机变化。 2 The variation of rotor's axis locus and its axis location is the essential evidence to determine the rotor's running state and fault sign. 转子轴心轨迹和轴心位置的变化是判断转子运行状态和故障征兆的重要依据。 3 In present, the turn variation ratio of the gasoline in which the machine adjusting turn device is used is great. So the generator's electricity function index sign is influenced very badly. 目前，使用机械式转速调整装置的小型汽油机的转速调整率较大，从而严重影响了小型汽油发电机组电气性能。
随便看	divergence loss divergence mapping divergence nystagmus divergence of a series divergence of attention divergence of a vector divergence of a vector-valued function divergence of beam divergence of character divergence of character divergence of deformation divergence of field divergence of fluid divergence of ion beam divergence of light divergence of phasor divergence of register divergence of results divergence of series divergence of tensor divergence of tensor field divergence of vector divergence of vector field divergence of vector-valued function divergence of wave

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