通过波流相互作用和无加速定理的讨论以及相应的数值分析，本文介绍有关纬向平均西风变化的近期研究成果。
On review of the theories of wave-mean flow interaction and non acceleration, theorem, and the corresponding numerical analyses, the dynamical mechanism of variation of westerly index is discussed.
本文提出质点和质点系(绝对运动和相对运动)质量加速度矩定理。
This paper proposes the theorem of moment about mass acceleration of the particle and the system of particles (absolute motion and relative motion).
本文提出且推导了刚体平面运动的加速度投影定理，并介绍了该定理的应用。
The theorem of Projections of accelerations of plane motion of rigid body is derived in this paper. Some applications of this theorem are given as examples.
运用哥氏定理求解质点的速度和加速度，分析其物理内涵。
It also USES the Coriolis Theorem to find out the velocity and acceleration of them and to analyze their intension in physics.
用数学方法证明牵连运动为转动时点的加速度合成定理。
The mathematical method is used to prove composition theorem of acceleration of a particle when the carrier motion is rotation.
本文提出了“加速度投影定理”，根据这一定理，建立了平面图形上任意两点加速度的投影关系。
The theorem of projection of acceleration has been presented in this paper. According to the theorem, projection relation of acceleration of arbitrary two points on the plane figure is built.
提出了小波函数和普通函数内积数值计算的外推加速算法，给出了外推加速算法的可行性保障定理。结果表明此算法的收敛速度较快， 得到的近似值的逼近效果较好。
In this paper, we give an extrapolation method for integral with wavelet. Theorem can ensure it is possibility. The result show that the method converge quickly, and the approach effect is very good.
研究结果表明利用地震动峰值加速度对地震诱发崩滑进行研究具有一定理论和实际意义。
The results demonstrate that it is useful in both theory and practice to study earthquake-induced landslides with PGA.
研究结果表明利用地震动峰值加速度对地震诱发崩滑进行研究具有一定理论和实际意义。
The results demonstrate that it is useful in both theory and practice to study earthquake-induced landslides with PGA.
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