Time dependent calculation for a suddenly imposed pressure gradient has shown that variation of the cross sectional area reduces inertial effect in the contraction flow region.
压力差为阶跃变化的情况下数值计算结果说明了收缩部的断面积的时间变化减少了收缩部的惯性效果。
The method can overcome disturbances and decrease the length of the pulse packet that must be given to the DFT algorithm which reduces the calculation time.
它克服了运动过程中所带进的干扰、减少了必须用于DFT算法计算所需的脉搏包络的数据长度和DFT所需的时间。
For three-dimensional reconstruction, this essay gives new reconstruction method for points and lines. Especially the overall reconstruction method for lines reduces much calculation and time.
在三维重建时，本文提出了新的点重建方法和直线的整体重建方法，其中直线的整体重建方法大大地减少了直线重建的计算量和计算时间。
In the calculation, users of the research process will inevitably cause unnecessary distress, wasting valuable time and energy, greatly reduces the efficiency of scientific research.
在计算、科研过程中难免会给使用者造成不必要的困扰，浪费大量宝贵的时间和精力，大大的降低了科研的效率。
And the BP algorithm is improved. It improves the precision, reduces the training time and the calculation.
并对BP算法进行了改进，提高了识别的正确率，减少了训练时间和计算量。
The invention picks up the speed of backup and recovery, saves calculation time, and reduces backup space.
本发明加快了备份和恢复速度，节约运算时间、减少备份空间。
The experiment results show that the algorithm reduces the amount of calculation and increases the accuracy of imagine matching. Therefore, the algorithm has well real-time performance and robustness.
实验表明，该算法有效地减少了运算量，提高了图像匹配的精度，具有较好的实时性和鲁棒性。
The scheme skillfully offsets the weak computation of PDA and other small devices, at the same time reduces the calculation complexity of the server.
该方案弥补了PDA等小设备计算能力弱的缺陷，同时又降低了服务器进行混音操作的运算量。
The scheme skillfully offsets the weak computation of PDA and other small devices, at the same time reduces the calculation complexity of the server.
该方案弥补了PDA等小设备计算能力弱的缺陷，同时又降低了服务器进行混音操作的运算量。
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