This article expounds the test and application of new technology of vibration ageing to the welded workpiece of electric locomotive.

本文阐述振动时效新工艺在机车焊接件上的试验和应用。

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The backward irrigation technology and management are also belong to irrigation district ageing. This view is first presented in irrigation ageing evaluation. The concept of evaluation based on irri…

首次提出灌区的灌溉技术和管理技术落后也属于灌区老化的范畴，并提出按灌溉面积和建筑物级别进行评估的概念。

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Spending on Medicaid, the health-care safety net for the poor (and the third-largest item on many state budgets), jumped by 14% this year, thanks to costly new technology and the increasing demands of an ageing population.

ECONOMIST: State budgets