New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supportingcost.
为煤矿生产研制开发的新的支护技术和材料，满足了煤巷锚网支护的技术要求，降低了支护成本。
2
This research result in efficient regression testing by helping testers decide what classes and methods need to be retested, and in supportingcost estimation and schedule planning.
本文的研究能帮助程序开发人员在回归测试中确定需要重测的类和方法和成本估算及制定进度计划。
3
Such tools can significantly cut down on development time and cost, either by supporting the target language directly in a more intelligent way or by automating and simplifying repetitive tasks.