... finite-difference modeling 有限差分模拟 finite-difference ratio 差分比 finite-difference approximation 有限差分近似 ...
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差分比较放大器 differential comparator amplifier
高速差分比较器 differential envelope detector
差分比较器 differential comparator
双光路差分比较测量 Pair-channel-differential Measurement
平均绝对百分比误差 MAPE ; Mean Absolute Percentage Error
平均绝对误差百分比 MAPE ; Mean Absolute Percentage Error
差百分比 mean absolute percentage error ; PMAD ; root mean squared percentage error
误差百分比 MAPE ; percentage error
百分比误差 percentage error
在1990年，受教育水平最高的城市比教育受众最低的城市差了26个百分点，但是到2009年，这一差距拉到34个百分点。
The gap between the most and least educated cities was 26 in points in 1990. By 2009 it had widened to 34 points.
运行中如果左侧的传感器感应的亮度比右侧的强，那么就会通知的你的差分驱动器向左转。
If the sensor on the left see's more light than the one on the right, tell your differential drive to turn left. If they see the same amount of light, tell your robot to drive straight.
数值算例表明，用精细积分法得到的解与精确解十分吻合，比有限差分法具有更高的精度。
The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.
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