1)  Measuring distance
量距
2)  equivalent distance
当量距离
1.
The equivalent distance method is put forward to determine polymer melt front advancement during injection molding.
提出一种新的确定注塑成型充模阶段塑料熔体前沿位置的当量距离法 ;并按照流动路径与熔体前沿尽可能正交的原则将模具型腔划分为由浇口起始的若干条流动路径 ,将各条流动路径与不同时刻熔体前沿交织而成的网格用于注塑成型过程的数值模拟计算 ,完成了对注塑制品收缩率的预
3)  Measurement accuracy
量距精度
4)  rigid distance measurement
精密量距
1.
The essay discusses the strictness of rigid distance measurement with steel ruler and puts forward some suggestions on teaching.
讨论了测量学教材中钢尺精密量距的严密性 ,提出了教学中应注意的事
5)  Measurement distance
测量距离
6)  energy-moment
能量距
1.
In the fault diagnosis through acoustic emission technique based on wavelet analysis and neural networks,the wavelet packet method based on sections and energy-moment feature was used to replace the traditional "wavelet packet-energy" to pick-up characteristics of AE signals.
基于小波包分析和神经网络的声发射信号缺陷检测方法,提出采用区间小波包分解与能量距相结合作为声发射信号的特征向量,取代了传统的"小波包-能量"特征提取方法,并以金属罐形容器罐底缺陷诊断为例验证了该方法的有效性。
参考词条
补充资料：工频突变量距离继电器


工频突变量距离继电器
distance relay using sudden change of power frequency component

，U，’，尸川luUI0n.IOng jull!一d旧nq，工绷突变.距离继电姗sudden ehan罗of power 见距离继电器. (distanee relay usingfrequeney eomponent)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。