牢记于心的一点是人类医学(与兽医学)的麻醉是由受过训练的专业人员来完成的。

One should bear in mind that in human medicine (unlike veterinary medicine), anaesthesia is performed by a medical professional specially trained in anaesthesia.

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与人的麻醉相比兽医的麻醉仍然具有非常高的风险。

The risk of anaesthesia in veterinary medicine remains very high compared with that of human anaesthesia.

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手术开始了。由汉堡兽医莱克领导的医疗小组将海尼麻醉后放倒在手术台上，尽管麻醉过程对犀牛的身体健康是有害的。

The team, led by Hamburg veterinarian Jens Linek, put Heini under anaesthesia -- itself a dangerous procedure for a rhino.

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