It's a self-examination that has, at various times, involved issues of responsibility, creative freedom and the corporate bottom line.

At various times it has functioned as both, though it has consistently eschewed strict identification as either.

有时它同时具有这两种职能，虽然它一直不想被严格定义为其中任何一种。

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The changes of the degree of deacetylation and intrinsic viscosity of products prepared in different solvents at various times have been explored.

探讨了不同溶剂和时间下反应产物的脱乙酰度（DDAc）、取代度（DS）和特性粘度（[η]）的变化。

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The code will check this property automatically at various times and use a procedure to repair and fix problems if the property isn't met.

上述程序在不同的时间自动检查此特性，并在此特性未能得到满足时启用程序进行修理并纠正此问题。

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At various times, Thoreau earned a living by lecturing or working at his family's pencil factory.

很多时候，梭罗靠教书或是在他家族的铅笔厂工作谋生。

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If you know that a certain road is usually congested at various times of the day, plan your route to avoid it.

如果你知道某条路在不同的时间通常是拥挤的一天，计划好你的路线来避免它。

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The national vocal music art is continuously developing and altering over this long history. It left deep history brand at various times.

在这个悠久的历史长河中，民族声乐艺术不断发展更替，在每个不同的时代背景下都留下了深深的历史烙印。

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ELISA was used to detect the HBsAg and anti HBs in mice sera at various times post gene transfer.

运用ELISA检测不同时间小鼠血清中乙肝表面抗原（HBsAg）及抗－HBs。

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Using a mouse corneal graft model, eyes were evaluated by clinical observation and immunofluorescent staining at various times.

建立小鼠角膜移植模型，不同时间点对术眼进行临床观察、免疫荧光化学染色。

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The target of modernization people put forward, which has specified connotation at various times, is developing continuously, too.

在不同的历史时期，现代化具有不同的内涵界定，人们提出的现代化目标也是发展变化的。

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It's normal for children to be more attached to one parent than the other at various times during their development.

在孩子的成长过程中的不同阶段，他们更亲近父母中的一方是很正常的事。

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At various times during the day stop what you are doing and let your mind wander.

在一天之中，你可以几次停下手中的工作，让自己发会儿呆。

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A number of theories have been put forward at various times as to the origins of the aspects.

对于相位的起源，在各个时期都出现很多的相关理论。

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Person who buy the same share at various times and at various price to give an average price.

在不同时间，按不同价格购买同样股票使之得出平均价格的人。

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He had done so much for me at various times that this was very little to do for him.

平常他老是帮我的大忙，比起来我做这点事情可实在算不了什么。

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All six of those men were at various times also among FIFA's top leadership.

这六人在不同时期也都担任过FIFA的高层官员。

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Resource usage can vary dramatically based on the work being done at various times of day.

根据一天的不同时间所进行的工作，资源占用变化惊人。

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There are seven lab assignments due at various times during the term.

在这个学期中，将会有七个实作课程。

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Every living language is in a state of continuous change at various times and in various regions.

在任何时候，任何地方，语言都处于不断变化的状态。

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And, no doubt, we've all settled at various times.

而且，毫无疑问的是，我们将会很多次的妥协。

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By screening two soil samples from Mei Mountain of Jiangsu and Five-finger Mountain of Hainan, some wild strains with low nitrile-hydrolyzing activities were obtained with a selected screening method and a colorimetric screening method. However, the activities could not meet the requirement of the industrial production.

通过对采自江苏梅山和海南五指山的两份土样进行选择性筛选和显色筛选，获得了一批具有腈水解酶活性的野生菌，但活性相对较弱，未能达到实际生产的要求。

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