And the criterion is the background knowledge and the expectation of the target audience.

而判断的标准就是目的语观众的背景知识和期望。

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Social environment, family background has a direct impact on the occupational expectation.

社会环境、家庭背景对职业期望有直接影响。

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Next, with expectation-maximization algorithm, we integrate correction parameters of foreground and background to get the final corrected image.

然后，通过期望-最大算法来融合前后背景的校正参数，得到最终的校正图像；

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There is little expectation Feinstein's proposal, which President Barack Obama backs along with expanded background checks and other steps, will win congressional approval due mainly to stiff opposition from lawmakers aligned with the politically potent National Rifle Association.

CNN: STORY HIGHLIGHTS