因此，对不同道路条件下驾驶员的道路安全感觉进行定量描述与评价研究，将对道路安全设计与管理有着重要的理论与实践意义。
So it is significant on road safety design not only in theory but also in practise to measure the perception of safety given the complex interactions among various road factors.
研究微材料机械力学性能的测试方法是解决MEMS设计、制造、质量控制与评价的关键环节。
Studying the test method for mechanical properties of MEMS materials is the key related to solve the MEMS design, manufacturing, quality control and appraisal.
为使该技术得以推广应用，需要研究开发相应的再生机械、再生添加剂，以及再生沥青混合料设计与性能评价方法。
In order to popularize recycling technology, it is necessary to research-recycling machines, recycling additive, design methods and performance evaluation methods of recycling asphalt mixtures.
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