The superimposingmethod of waves is given. The significance reference coordinate system and the solving process for some quantities are indicated.
总结了波叠加的方法，指出了基准坐标系的重要性与有关量的求解方法。
2
It also proposes to make use of the superimposingmethod to explain the structure of ingots and provides some clues for restraining the columnar growth.
同时，还提议用叠加法来解释铸锭的结构，并提出了某些抑制柱状晶的想法。
3
A superimposing iteration harmonic balance method (SIHB) is presented for the steady-state analysis of strongly nonlinear oscillators.