Could you explain why you take samples of the blood from the patient?

你能解释一下你为什么抽取病人的血样吗？

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The android.media.MediaRecorder class is used to take samples of media, including audio and video.

使用android . media . mediarecorder类进行媒体采样，包括音频和视频。

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The craft is designed to drill into the comet, take samples of its crust and attempt to work out what it is made of.

探测器要能在彗星上钻孔，采取彗星地壳的样本，试图弄清地壳的组成。

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The three-month Catlin Arctic Survey expedition will also take samples of the water, snow, ice and air.

BBC: Polar survey team start journey

He said Dutch authorities visited Nemijtek's facilities, from which Draap shipped between 40 and 100 metric tons of horse meat a month, to take samples of the horse meat.

WSJ: U.K. Arrests Men in Horse-Meat Probe

But he said examiners were able to identify and take samples of each organ for testing, as well as hair and fingernail samples and dirt samples from around the wooden coffin.

BBC: Cyanide-poisoned Chicago lottery winner's body exhumed