Subsequently, they were purportedly given another sample of their preferred choice.

随后，据称他们又得到了另一个他们首选的样本。

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Depending on the type of LC, check whether you have a no-waste injection mode or partial loop fill. Obviously the firse option is preferred as this prevents using more sample than actually injected.

根据液相色谱仪的型号，确认配备的是“不浪费样品进样方式”或“部分充满定量环进样方式”。

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