rise-return-dwell motion

The analysis on ground motion response of stone arch bridge was done according to typical seismic waves in different site and specification-based artificial waves. The effects of different arch axis and rise-span ratio on seismic behavior of stone arch bridge were discussed.

针对不同场地的典型地震波和基于规范生成的人工波，对石拱桥的地震动反应进行了分析，讨论了不同拱轴线和矢跨比对石拱桥抗震性能的影响。

Always at nine in winter, and always rise at four,'said my host, suppressing a groan: and, as I fancied, by the motion of his shadow's arm, dashing a tear from his eyes.

“在冬天总是九点睡，总是四点起床，”我的主人说，压住一声呻吟。看他胳臂的影子的动作，我猜想他从眼里抹去一滴眼泪。

By making use of the concept of the jerk in varying accelerated motion, the riding comfort of automobiles and elevators, and the wind-induced vibrating comfort of high-rise steel structural buildings, are analyzed.

用变加速动力学的急动度（加加速度）概念，分析了车辆、电梯的乘座舒适性与高层钢结构建筑的风振舒适性问题。

According to the micro-fluctuation theory the windshear has no influence on the short-period motion and the damped rise-fall motion of the half-amplitude time while the frequency of the rise-fall motion and damping changes in accordance with the windshear.

小扰动理论指出风切变对短周期运动和阻尼起伏运动至半振幅的时间无影响，但起伏频率和阻尼率随风切变而相应地变化。

Test of Motor Locked Rotor Temperature Rise and System Efficiency for XL Pure Electro-motion Car

夏利纯电动轿车电机堵转温升及系统效率测试