The investigation on difference equation is to discuss its eventually behavior of the solutions, including oscillation, cycle length and global asymptotic stability, etc.

对差分方程的研究就是讨论它的解的最终性态，包括振动性、循环长度及全局渐近稳定性等。

youdao

According to the features of water cycle in protective forest ecosystem in loess area, the equation of water balance for the protective forestry ecosystem was put forward.

根据黄土地区防护林生态系统水分循环的特征，提出了防护林生态系统水量平衡方程。

youdao

In thermal system analysis of co-generation unit, the paper has perfected the analysis thought of multiple cycle, and constructed the supplement equation of the EEDM equation.

在供热机组热力系统分析计算中，完善了多重循环分析思路，构建了适于计算循环排汽系数(或再热系数)的EEDM补充方程。

youdao

The price-tag looks even heftier when the limited versatility and survivability of unmanned aircraft are factored into the life-cycle cost equation.

FORBES: The Revolution In Unmanned Aircraft Is Overrated