| 1. | In a dynamic situation the vector sum of the forces acting on the body vanished as in the static case .
在动力学状态下，作用在物体上的力的矢量和与静力学情形一样化为零。
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| 2. | In an infinite dimensional space there always exist two subspaces whose vector sum is different from their span .
在一无限空间中恒存在两个子空间，其矢量和与其张成空间不同。
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| 3. | Any two vectors whose vector sum equals a given vector are called the components of that vector .
假如任意两个矢量的和等于一个给定的矢量，这两个矢量就称为该给定矢量的分量。
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| 4. | As mentioned above, we have not explicitly used the first condition for equilibrium, that the vector sum of the forces be zero .
如上所述，我们没有直接应用第一平衡条件，即力的矢量和为零。
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| 5. | Vector sum excited linear prediction selp
矢量和激励性预测编码
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| 6. | Vector sum excited linear prediction vselp
矢量和激励线性预测
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| 7. | Vector sum excited linear prediction
矢量和激励性预测编码
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| 8. | Multi - factors risk analysis for investment project amp; amp; weighted vector sum
投资项目多因素风险分析与加权矢量和
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| 9. | In so far as linear motion is concerned , a body is in equilibrium if the vector sum of the forces acting upon it is zero
就线性运动而论，如果作用于严格物体上的诸力的矢量之和是零，那么这个物体就处于平衡状态。
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| 10. | While two ( or more ) electromagnetic waves of the same frequency , same direction of vibration , same phase or constant phase difference superpose in space , the amplitude of composite wave is vector sum of the amplitude of each wave
由两个（或两个以上）频率、振动方向相同、相位相同或相位差恒定的电磁波在空间叠加时，合成波振幅为各个波的振幅的矢量和。
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