通过受电弓主动控制系统的设计和对其的仿真研究，理论上降低了弓网系统接触压力的波动，从而改善了受流质量。
The design of the pantograph's active control system and the study of the simulation results reduce the fluctuation of the contact force theoretically and thus improve the current collecting quality.
强磁场可以改变金属材料的凝固组织，从而进一步改善材料的质量和性能。
It is concluded that using intense magnetic fields can change the solidified structures of metals and then improve the quality and properties of materials accordingly.
如果中国能够将全部废弃的东西变成我们所需要的物品从而填补国际市场，零增长将改善环境、生活质量和粮食生产等。
If China was able to cut back on filling the international market with all the disposable stuff we have to have, zero growth would improve the environment, quality of life, food production, etc.
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