The simulation experiment proves that this algorithm can prolong the lifecycle of the whole network at the least expense and has better adaptability and stability.

仿真实验结果表明，该算法能够以较小的代价提高整个网络的生存周期，有更好地适应性和稳定性。

youdao

However, efforts to control them are consistently undermined by the difficulty and expense of identifying mosquitoes-of which there are at least 3,500 species, many of them hard to tell apart.

然而，控制这些蚊虫的努力一直没有进展，关键在于鉴别蚊虫的难度和费用——至少有3,500种不同蚊虫，其中有不少很难加以区别。

youdao

However, efforts to control them are consistently undermined by the difficulty and expense of identifying mosquitoes-of which there are at least 3, 500 species, many of them hard to tell apart.

然而，控制这些蚊虫的努力一直没有进展，关键在于鉴别蚊虫的难度和费用——至少有3,500种不同蚊虫，其中有不少很难加以区别。

youdao

Tariffs raise our cost of living while subsidizing the least efficient at the expense of the most, and they also retard our natural economic evolution for depriving us of ideas.

FORBES: What The Life Of America's Best Chef Tells Us About Economics

Are we a caring and compassionate state or more concerned with balancing the budget at the expense of the least fortunate?

FORBES: Gov. Brown's Budget Forsakes California Women

There is a lot of power for Operations here, and that means Cisco is aiming to gain speed and focus, at least temporarily at the expense of growth.

FORBES: Cisco Shakeup: Speed And Time For Margins