因为优良的医疗技术和外科手术意味着更快地治疗病人，更少痛苦，更少不安，更少死亡，更少疾病，和更少残废。
Because good technique in medicine and surgery means more quickly—cured patients, less pain, less discomfort, less death, less diseaseand less deformity.
下肢损伤不是致命损伤，但是在前碰撞中这类损伤非常普遍，并带来巨大的痛苦，需要长期的治疗和恢复，甚至可能会导致永久性残废。
These are not necessarily life threatening, but very often cause considerable pain and frequently require long-term treatment and rehabilitation and they can even result in permanent disability.
本文提出传统疗法治疗烧伤残废率高，患者痛苦大等缺点。
The author pointed out that conventional therapy of burns has its drawbacks of high disablement rate and pains in the treatment.
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