drop-off

基本解释

Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period.
樹木年輪的碳同位素和冰核中鈈同位素的檢測都顯示出在上述堦段的大多數時間內太陽輻射能量出現下降。
Carbon financiers have already begun leaving banks in London because of the lack of activity and the drop-off in investment demand.
由於缺乏行動和投資需求的急速下降，碳金融家開始離開在倫敦的銀行。
Of course, the frequency of new words used drops off in longer novels, but the patterns of the drop-off differed and were specific to each of the three authors.
儅然，在長篇小說中，這種使用新詞的頻率會下降，但即使是頻率的下降模式也各不相同，爲三位作家所特有。

By 2012,they hope to set up a network of pick-up and drop-off locations for rented bicycles throughout New York City.
How far along do I have to go drop off a - c when I have slope -2b?
斜率-2b的線還要經過哪個橫坐標呢
耶魯公開課 - 博弈論課程節選

It was late 2008 and the economy was faltering and all businesses were seeing a drop-off.
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The major rental companies had waived their drop-off fees for any car rented before September 11th.
FORBES: The Quieter Side Of 9/11