Positioning: Tilting your head back straightens out the line to your stomach.

定位：头向后倾让喉咙到胃的通道变直。

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Even so, care should be taken to meet the required facial area and face centering guidelines outlined in this brochure when positioning the subject's head to remove the potential glare.

在定位被拍摄者头部，去除可能出现的反光时，必须注意拍摄时达到本手册上列出的面部区域和面部居中准则。

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Just as in the freestyle, head positioning plays an important roll in the backstroke.

和自由泳一样，头部的位置对于仰泳来说也是至关重要的。

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The AL13SE is the first 10, 000 RPM class model enterprise drive from Toshiba to achieve 900GB capacity and is also the first of Toshiba's 10, 000 RPM drives to employ a dual-stage head positioning actuator that provides additional performance gains, including a 32% increase in sustained transfer rate.

ENGADGET: Toshiba's new 2.5-inch AL13SE hard drives: up to 900GB of 10,500RPM storage

As well as appeasing citizens today, both Socialist leader (and head of the crisis government) George Papandreou, as well as New Democracy party head Antonis Samaras, are positioning for elections expected in April (no date yet set for the vote).

FORBES: All Politics Are Greek