UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.
格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）
2
This algorithm USES weighting mean and modified weight to solve the problem of that the exponential curve of acceleration and deceleration could not be dynamical adjusted freely in CNC.
The energy accumulator capacity and wire feeding velocity can be adjusted to realize adjustment of mean particle size of the fabricated nanometer metal powder within a certain range.