单词：falloff
n. 下降, 排出, 散开, 分开, 减退
n a noticeable deterioration in performance or quality
词型变化：名词复数形式 : falloffs
falloff的用法和样例：
例句
用作名词(n.)
- Arab diplomats say they have already detected a falloff in American influence in their region over the past year.阿拉伯国家的外交官们说，他们已经发现美国在阿拉伯地区的影响力过去一年中出现了下降。
- Other banks have suffered declines in deposits, with the steepest falloff at institutions beset with large losses.其他一些银行则出现下降，最严重的是那些遭受重大损失困扰的机构。
- The position of these ground locators can be adjusted later to tweak the falloff of the shadow attenuation.那些地面上的定位器的位置能稍后时被调整去配合阴影衰减的散开。
- By adding steerable sidelobe dips and achieving high sidelobe falloff rate, the windows can be used to detect a weak signal with a strong signal nearby.只要在视窗里加上可指定位置的附叶洼沟和达到高的附叶衰减率，此视窗就能把在强信号附近的弱信号侦察出来。
词汇搭配
- fall off跌落