求翻译：实验组与初学组的大鼠均为雌、雄各3只，两组大鼠分别在一周内采血三次，记录每次采血时间，血量及穿刺次数。是什么意思？

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Experiment group and Beginner Group in the mouse are male and the 3 only, the two groups the mouse in the week of a blood 3 times, each time a blood time, amount of blood and needle.

The experimental group with the big mouse which begins studies the group for female, male each 3, two groups of big mice separately pick the blood in a week three times, the recording each time picks the blood time, the blood quantity and the puncture number of times.

Rats of the experimental group and the beginners group for female and male 3, two groups of rats blood three times a week respectively, records each sampling time, blood volume and the number of puncture.

正在翻译，请等待...