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- Negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface. 当反射界面上下两侧的声波组抗降低时，反射系数就会出现负值。
- Negative coefficients occur where there is a downward decrease in velocity and density: for example, at the top of an over pressured shale diapir. 只有当速度和密度向下减少时，例如在超压页岩穿刺体的顶部，反射系数才会出现负值。
- Chapter two, we consider the existence of bounded nonoscillatory solutions of higher-order neutral differential equations with positive and negative coefficients. 第二章讨论了具正负系数的高阶中立型微分方程有界非振动解存在的充分条件。
- In this paper, the oscillation of forced neutral difference equations with positive and negative coefficients is studied and two sufficient conditions of this equation to be oscillatory are obtained. 摘要研究了一类具有强迫项正负系数中立型差分方程的振动性，获得了方程振动的两个充分条件。
- ON UNIVALENT FUNCTION WITH NEGATIVE COEFFICIENTS 关于某类负系数的单叶函数
- Positive and negative coefficients 正负系数
- The Properties of Univalent Functions with Negative Coefficients 关于一类负实系数单叶函数族的性质
- Harmonic Univalent Functions with Negative Coefficients 负系数调和单叶函数
- A Subclass of Certain Starlike Functions with Negative Coefficients 一类负系数星像函数类
- Certain Class of Harmonic Univalent Functions with Negative Coefficients 某类负系数的单叶调和函数
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- positive and negative coefficient 正负系数
- I have a negative opinion on the value of this idea. 我对这个主意持反对意见。
- Oscillation Theorem for a Class of Neutral Functional Differential Equations with Positive and Negative Coefficients 一类具有正负系数的中立型泛函微分方程的振动性
- How many copies do you ask us to print off from the negative? ＂用那张底片，你要我们印几张像片？＂
- The thermostat is based on the fact that different metals have different coefficients of expansion. 恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
