Finally, the best separation time is got based on the economic analyses of biology-independence enterprises and host enterprises.

在分析不同时期生物依存型企业和宿主企业关系经济性的基础上，得出了最佳分离时机。

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This paper states that using creepage and turnoff implement should pay attention to its usage environment and action electricity and separation time.

使用漏电断路器应注意其使用环境及动作电流、分断时间的选配。

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The results show that the direct injection of the samples (free from the protein) can simplify the complicated procedures and shorten separation time.

结果表明，将血浆样品除蛋白后直接进样，减少了样品处理的繁琐过程，大大缩短分离周期；

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Racial separation laws were still in place in the South at the time.

VOA: special.2010.05.14

This is a powerful image about racial separation in society at that time.

VOA: special.2009.03.23

During this time, racial separation laws were in effect in the South.

VOA: special.2010.05.23

However, this reduction is only present for youths who were not living with their parents at the time of the job separation, and is greatly reduced for youths who were living away from their parents at the time of the job separation but moved back home in the subsequent three months.

FORBES: It Pays To Live With Your Parents: Why Millennial Mama's Boys Earn More

By making heavy operating investments into human resources, marketing, advertising, business development, and sales initiatives, the aggressive enterprise can create significant competitive separation during a time when many are pulling back on such expenditures.

FORBES: The Economy - An Excuse of Convenience

However, Dr Reich points out, if humans and chimpanzees had undergone an initial separation at this time, it could account for why the skull has human-like features, including a relatively flat face without a protruding snout.

ECONOMIST: Humans could have interbred with chimpanzees