| 1. | The correction of an excessive velocity variation is not as serious a problem as the correction of excessive angular variation .
对速度变化过大时的修正问题不象对偏角变化过大时的修正那样重要。 |
| 2. | Analysis of the extreme values of leading shock velocity variation in gaseous detonation
气体爆轰波前驱激波变化极限分析 |
| 3. | Moving velocity variation of landfalling tropical cyclones before landing in zhejiang province
浙江热带气旋登陆前移动速度变化分析 |
| 4. | The study on velocity variations of the last two steps ' approach of chinese male elite long jumpers
我国优秀男子跳远运动员助跑最后两步速度变化特征的研究 |
| 5. | The high order generalized screen propagator not only improves the calculation precision of conventional generalized screen propagator , and facilitates the suitability of generalized screen propagator to the media with strong lateral velocity variation
高阶广义屏传播算子不仅可提高常规广义屏传播算子的计算精度，而且还能改善广义屏传播算子对速度强横向变化介质的适应性。 |
| 6. | Velocity variation is positively correlated with crust thickness and negatively correlated with earth ' s heatflow . the linear regression equation of velocity , crust thichness and heatflow is obtained . the regression coefficient dv / dp convert
同时地震波速厂与地壳厚度h呈明显的线性正相关关系，与大地热流呈负相关关系，并得到三者的线性回归方程，回归系数dv dh换算成bv op ？ |
| 7. | The content includes real - time velocity variation , motor position control , velocity filtering and smoothing , etc . the real - time velocity modulation is mainly about how to choose certain acceleration curve according to exterior instruction
本论文详细分析了基于线性加减速算法的nc指令生成及解释,包括实时调速、电机定位、速度滤波、平滑等。实时调速主要是根据外部指令选择一定的加速曲线完成动作。 |
| 8. | The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration . ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method . ( 3 ) by using the controlled illumination , the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient
与其他类似偏移速度分析方法的不同点在于： ( 1 )叠前深度偏移采用基于波动理论的快速合成震源记录算法； ( 2 )偏移方法采用平面波震源，与速度分析方法一致； ( 3 )应用控制照明技术，避免了因横向变速而导致的平面波震源波场在传播过程中的畸变，从而减小了速度分析的误差； ( 4 )实用的速度谱设计，使交互偏移速度分析可行且易于操作。 |
| 9. | Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the fuling reach in the yangtze river before and after the impoundment of the three gorges reservoir , the water level , velocity variation and influenced range in the fuling reach before and fifty years after the operation of the three gorges reservoir with the construction of the fuling dock and four discharge combinations are calculated by using a two - dimensional flow mathematic model
摘要在分析长江涪陵段的水沙特性和三峡水库蓄水前后该河段河床演变趋势的基础上，运用二维水流数学模型，分析了4种流量组合情况下在三峡水库运用前和运用50年，涪陵港区码头修建前后的水位、流速变化及其影响范围。 |
| 10. | In this paper , the temperature fields during liquid infiltration extrusion of composites are simulated with the fem , the seepage fields of liquid metal are simulated with the fdm . both the temperature fields and the seepage fields are coupled , the temperature variation curves , infiltration front process curves and velocity variation curves with time are obtained
本文采用有限元法模拟了液态浸渗挤压复合材料浸渗过程温度场，采用有限差分法模拟了液态金属渗流场，将两者间接耦合分析计算，得到了浸渗区域的温度变化曲线、浸渗前沿及浸渗速度随时间变化等曲线。 |
