This exposure does not interfere with unit or acceptance tester objectives.

这种接触没有干涉单元或者验收测试目标。

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The average American receives 360 millirems of radiation each year, 300 from natural sources and 60 from man-made activities. (a rem is a unit of radiation exposure.)

平均一个美国人每年要受到360毫雷姆(毫雷姆：核辐射量单位)的辐射，其中300毫雷姆来自自然界，60来自人类活动。

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Nevertheless, to avoid incorrect exposure, select a larger or smaller aperture, select a faster or slower shutter speed, or use a flash unit as necessary.

为了避免不正常的曝光，可选择较大或较少的光圈，较快或较慢的快门速度，必要时可用闪光装置。

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The Buy Korea Renaissance Equity Unit Trust, which limits exposure to equities at 50% of its assets, gained 13.9%.

CNN: DREAMS AND CONTROVERSY

Earlier this year, Pimco, a unit of Allianz SE, said it plans to reduce its exposure to emerging markets over the short term, fearing Europe's problems were already affecting emerging markets.

WSJ: Pimco's Guiding Asia-Pacific's Investor Evolution: Ki Myung Hong

To get this broad exposure, managers were given a variety of functional roles, eventually assuming leadership for a small business unit.

FORBES: It's Time To Bring Back The General Manager