也有许多理论和假设试图解释这种历史循环背后的危机以及波动的规律（24）。
There are many theories and hypotheses that attempt to explain this type of crisis and the dynamics behind the cyclical pattern of history (24).
推导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围，指出循环水量减小时对室温的影响较水量增加时为大。
Derives an equation set to reveal the influence of water flow variation on temperature of the heated room and permitted fluctuation of the hydraulic imbalance degree of pipeline.
随后，在股价下跌引发的信用循环中，价格波动加剧。
Those fluctuations are then exacerbated through credit cycles triggered by the drop in equity prices.
案例记录表明：所有国家都面临循环出现的经济波动期。
Case histories show that all nations face recurring periods of economic fluctuations.
制度是有时效性的，制度变迁是非连续的，制度结构的高效和低效的循环导致一国经济增长的波动。
Institutions are time bound, while institutional changes are not consecutive. Cycles of high efficiency and low efficiency of a country's institutional structure induce waves of its economic growth.
在客户现场就总账余额列明细时，审计师们会结合循环特点、波动水平、之前定下的重要性水平综合考虑明细分类的标准；
When breaking down the general leger balances on the field, auditors determine the breakdown rule by comprehensively considering the cycle, the flux, and the materiality.
同时发现，沪铜期货存在着一个大约510天的非周期循环长度，进一步证明期货市场价格波动的非随机性。
It is also found that Shanghai copper futures exist one aperiodic length of circulation, and the length is 510 days. This further proves that the volatility of futures prices is non-randomness.
成功地将灰色系统的波形预测方法运用到经济循环指数预测中，得到了与实际经济波动高度吻合的结果。
Grey wave forecasting of grey system theory is applied to economic cycle index forecasting. The forecasting result is highly closed to the reality.
在CVS（循环伏安）分析中，分析结果总是出现波动不稳现象，为何？有没有解决方案？
During CVS analysis, the analysis results often show unstable and fluctuation. What's the problem in here? HOw can we solve this problem?
提出了采用单向阀利用进排气压力波动的废气再循环(EGR)系统。
A check valve exhaust gas recirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.
采用载荷控制、三角波动态载荷对水泥土进行三轴疲劳试验，得出水泥掺量、加载频率和循环周数对水泥土疲劳特性的影响规律。
The test results show that the fatigue property curve and the cyclic stress-strain curve of LZ50 axletree steel perfectly conform to double logarithm linear relationship.
元素的含量在垂向上由深到浅呈现轻微的上升趋势，呈高—低—高—低或低—高—低—高波动式循环变化；
The content of element rises slightly in vertical from deep to shallow location, with a circle variation of high-low-high-low or low-high-low-high.
元素的含量在垂向上由深到浅呈现轻微的上升趋势，呈高—低—高—低或低—高—低—高波动式循环变化；
The content of element rises slightly in vertical from deep to shallow location, with a circle variation of high-low-high-low or low-high-low-high.
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