本文详细论述了采场老顶变形的时效特性及其粘弹性解。
The paper describes the time effect characteristics of main roof deformation and its viscoelastic solution.
用有效扩散理论分析了颗粒增强复合材料的固溶时效特性。
The solution and aging behaviors of the composites are analyzed through effective diffusivity theoretical equation.
软土隧道地表长期沉降特性与隧道的渗透性以及周围土体的时效特性密切相关。
The drainage condition combining with the time-dependent properties of the surrounding soil played an important role in the evolution of long-term surface settlement over tunnels in soft soils.
业务人员关注有竞争力的特性，市场的时效性，对于其他产品的定位和开销。
The marketer is concerned with competitive features, time to market, positioning with other products, and cost.
新闻评论的特性应该是：依托新闻事实、时效性、评论性、大众性。
The special characteristics of the news comments should rely on news fact, time efficiency, comment and mass.
T73和RRA时效处理改善了合金晶界特性，有助于阻止氢脆、减缓晶界阳极溶解速度，提高合金的抗应力腐蚀能力。
T73 and RRA treatment improve the grain boundary character, which is help to inhibit hydrogen embrittlement and decrease anodic dissolution rate, then to improve the SCCR of the alloy.
虽然在土石中加入一定比例的水泥形成水泥稳定土能有效提高工程特性，但有时效果并不完全令人满意。
Although adding a certain percentage of cement into soil and gravel to create the stabilized soil can improve the engineering characteristic of soil, the effect is not entirely satisfactory.
基于蠕变理论提出了振动时效与循环蠕变在力学本质上的相关性，并对交变应力幅、温度和材料特性等共同影响因素进行了分析。
Based on the creep theory, the mechanical relationship of VSR and cyclic creep was discussed, and common factors such as stress amplitude, temperature and material properties were analyzed.
研究结果表明：研究合金有很强的时效强化效应和优良的中温特性；
The results show that, firstly, the alloy has strong aging strengthening effect and good performance at intermediate temperature;
研究结果表明：研究合金有很强的时效强化效应和优良的中温特性；
The results show that, firstly, the alloy has strong aging strengthening effect and good performance at intermediate temperature;
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