The Continuous-time structural change models were studied.
研究了连续时间资产收益变结构模型。
At the same time, fundamental structural change must accompany the exchange rate adjustments.
与此同时，汇率调整必须辅之以根本的结构变革。
With financial markets in turmoil, the economy slowing down and Wall Street undergoing a profound structural change, many people are deciding that now is a good time to head back to school.
金融市场一片混乱，美国经济放缓，华尔街正在经受深刻的结构性变化。很多人决定，现在是回学校充电的好时候。
Structural change takes a long time to reach stability and gain trust.
结构性的改变需要经过长时间才能达到稳定状态并获得信任。
The structural strength of the cast-in-place and assembly concrete can change with time. There are corresponding requirements for the concrete strength in different construction stages.
现浇或装配式混凝土结构强度随时间而变化，不同施工阶段对混凝土强度都有相应的要求。
The thicknesses of the alumina thin films can be adjusted by changing the oxidation time, and then the change of structural colors at different zones can be adjusted.
改变氧化时间，可以改变氧化铝薄膜的厚度，进而调控不同区域薄膜结构色的变化。
The thicknesses of the alumina thin films can be adjusted by changing the oxidation time, and then the change of structural colors at different zones can be adjusted.
改变氧化时间，可以改变氧化铝薄膜的厚度，进而调控不同区域薄膜结构色的变化。
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