First, the range shift is estimated according to the derived frequency-domain expression of the correlation function.

首先，根据所导出的相关函数的频域表达式估算出回波的距离平移量。

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The researchers say this could be due to a northward range shift in the mammal, a scarcity of the beast, or an increasing human preference for other prey species.

研究者说这有可能是由于哺乳动物向北部山脉移动、兽类短缺或是人类越来越偏爱其他的猎物种类造成的。

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Climate change is more likely to shift, than expand, the range of disease-causing bugs - and some areas might experience a decrease in disease, he writes.

他写道，气候变化更可能改变而非扩展致病虫子的范围——而且一些地区可能遇到疾病减少。

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The alleged use of special operations troops in the raid could signal a shift away from the controversial U.S.tactic of relying on long-range missile assaults to take out terrorist targets.

VOA: standard.2009.09.15

Installing the PT-AE8000U is made easy with a 2x zoom lens and wide range of lens shift.

ENGADGET: Panasonic PT-AE8000U projector touts brighter, smoother 3D for king-of-the-hill home theaters

The addition of five species to the red list - Temminck's stint, ruff, whimbrel, redwing and fieldfare - which are at the southern edge of their spread in the British Isles, could suggest a shift in range brought on by a changing climate.

BBC: Cuckoo's call becomes rarer in UK

The problem for Apple is that several sources are now claiming that the iPhone range is undergoing a radical mix shift, with demand moving towards older models with less memory.

FORBES: Apple's Regional Trends Will Face Close Scrutiny Tonight