Immutable collections, for defensive programming, constant collections, and improved efficiency.

不可变集合：防御性编程、不变集合、以及会提升性能。

youdao

Throughout the Crossing borders series, I've addressed languages and frameworks that allow iterative improvement through reduced repetition and improved efficiency.

在整个跨越边界系列中，我介绍了通过降低重复和提高效率实现反复改进的语言和框架。

youdao

The powder exhaust fan is the major electricity consuming equipment; the reform of energy saving is the important measure of decreasing energy consumption and improved efficiency.

排粉风机是电站锅炉的主要耗电设备，节能改造是火电厂降减能耗，提高运行效率的重要措施。

youdao

In generation, lower procurement costs and improved efficiency levels compensated for 20% lower output, due in part to plant outages.

BBC: Iberdrola profits powered by strong UK performance

More people owning tablet computers this year and improved efficiency in the processes used to make such books might help change that soon.

FORBES: A Possible Digital Solution for Illustrated Book Publishers?

International agreements, new technologies and improved efficiency are all necessary to preserve the world's water supply, but effective water conservation and protection could require more profound changes.

CNN: flooded field