Based on the data of a long term field experiment of dryland crops, this article points out that yield fluctuation, expressed in fluctuating coefficient, is a regular phenomenon in dryland farming.
根据旱地作物长期田间试验数据，论述了旱作农业生产中作物产量波动性是一个规律性现象，并用波动系数加以表述。
Next, this paper gives a description and demonstration of long-term trend and short-term fluctuation of China's monetary velocity.
其次，本文对我国货币流通速度的长期趋势和短期波动现象进行描述与论证。
The previous study of fluctuation of economic growth is limited to fluctuation of long-term economic growth and its research methods mainly use statistical knowledge.
以往的经济增长波动研究多局限于长周期经济增长波动研究，研究方法多采用统计学相关知识。
As a long-term motivational factor, stock option is suitable for those companies at the growing stage, because it is subject to the employee's dedication and future stock price fluctuation.
股票期权受制于未来员工的努力程度和未来股价的波动，是长期激励因子，适合成长期的公司；
Business cycles are the recurrent fluctuation in GDP around a long-term growth trend.
经济周期是指gdp环绕其长期增长率的周期性起跌。
Business cycles are the recurrent fluctuation in GDP around a long-term growth trend.
经济周期是指gdp环绕其长期增长率的周期性起跌。
应用推荐