Keeping the food retention samples for banquet and event.

为大型宴会做食品留样记录。

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How do you keep your retention samples of raw materials and finished products?

您怎样保存原料和成品的留样？

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The management of retention samples is an important part in institute for drug control.

检品留样管理是实验室管理的重要组成部分。

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The Community Safety Minister gave more evidence, this time on the draft Retention of Samples etc. (Children's Hearings) (Scotland) Order 2011.

BBC: Justice Committee

The change has led to the retention of around 200, 000 samples that would previously have been destroyed.

ECONOMIST: DNA evidence

The hospital, which was at the centre of a scandal concerning the retention of organs, still has samples from 10, 000 children - including parts from 1, 000 foetuses.

BBC: Hospital to bury unclaimed organs