If you intend your application to be used only in landscape orientation, launch in landscape regardless of the current device orientation.

如果你希望你的应用程序仅适用于横向，就使用横向，无需考虑当前设备的方向。

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Cascade JFET constant current device is of very high dynamic impedance.

串级JFET恒流器件具有非常高的动态阻抗。

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Rain bucket should be tested by hydraulic bucket siphon rain, and with the anti-eddy current device.

雨水斗应采用经水力测试的虹吸式雨水斗，且带有防涡流装置。

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Agencies should assess current device inventories and usage, and establish controls, to ensure that they are not paying for unused or underutilized information technology (IT) equipment, installed software, or services.

WHITEHOUSE: Executive Order 13589 -- Promoting Efficient Spending

Its research also suggests many UK adults do not have adequate protection from electrical fires - less than half of those surveyed (49%) have a Residual Current Device in their fuse box, a safety device which minimises the risk of fire by cutting off the power in the event of a fault.

BBC: 'Blunder' fires increasing say Electrical Safety Council

The studies measure satisfaction with traditional wireless handsets and smartphones among customers who have used their current mobile device for less than one year.

ENGADGET: J.D. Power: average smartphone satisfaction is up, fights are fierce for second place