disturbance term meaning in English

干扰项
扰动项

In the model of the evaluation of the economic effect of financial innovation , the financial innovation products take electronic technology as the carrier , and we assume that they are not affected by the fluctuation of the interest and exchange rate , the disturbance term is subjected to normal distribution , and the saturating amount is one time of using the product per person within a certain range
在促销方面，专家或亲朋推销和公共关系促销是最佳途径，这是由金融创新产品的迅速变现性和安全心理决定的。在金融创新产品经济效应评价模型中，选择以电子技术为载体的金融创新产品，并假设：不受汇率、利率变动的影响，干扰因素服从正态分布，饱和量为一定范围内人均使用一次。