...D指标是基于均线的构造原理，对价格收盘价进行平滑处理(求出算术平均值)后的一种趋向类指标。它主要由两部分组成，即正负差(DIF)、异同平均数(DEA)，其中，正负差是核心，DEA是辅助。DIF是快速平滑移动平均线(EMA1)和慢速平滑移动平均线(EMA2)的差。
基于16个网页-相关网页
正负差图像 positive and negative difference maps
正负偏差 positive and negative deviation
矩阵的正负号差 [数] signature of matrix
差分正负号检验 [统计] difference sign test
无正容差和负差的配合 fit metal to metal
通过分析其天冬氨酸发生了多少外消旋化，科学家可以确定牙齿主人在多大岁数死亡——通常精确到5年半左右，正负差4.2年。
By analyzing how much racemization of its aspartic acid occurred, scientists can determine how old the tooth's owner was at death - generally accurate to about 5.5 years, plus or minus 4.2 years.
另外，还可选择双向差压传感器，从而测量气流双方向流动时的正负流量。
In addition, two-way differential pressure sensor can measure plus-minus flow when air flow in both directions.
并采用广义积分器原理实现对三相电流在两相静止坐标下的控制，实现了正负序电流的无静差跟踪控制。
Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.
应用推荐