A down-looking radar was limited by a critical depression Angle when it detects the target on the ground.

俯视雷达测量地面目标时会受到临界俯角的限制。

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Traffic sign' s depression angle setting above road has not been regulated in detail by GB5768-1999, and there is no pertinent applied example.

现行国标GB5768-1999中对路上交通标志设置俯角没有详细规定，也缺少相关应用范例。

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Shooting Angle with the main emphasis. It should be noted, does not apply extreme Angle of depression or elevation.

用拍摄角度来着重强调主体。但须注意，不应用极度的俯角或仰角。

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There is, of course, the unquenchable smile and the upthrust chin that denotes a Depression-defying optimism, along with the pince-nez glasses perched at an angle so close to horizontal that this Roosevelt sometimes seems focused on the ground in front of him.

WSJ: Fine Murray, Soapy Take on FDR | Hyde Park on Hudson | Rust and Bone | Film Reviews by Joe Morgenstern