...理；运动检测；创伤弹道 [gap=775]keywords：high speed video camera; image processing; motion detection; wound ballistics ...
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目的了解高原球形和三角形破片分别击中猪后肢软组织的创伤弹道学特点。
Objectives To study the ballistic feature of soft tissue impacted by steel spheres or triangular fragments at high altitude.
结论输尿管镜下气压弹道碎石术治疗输尿管结石，创伤小、安全、可靠、排石率高，是治疗输尿管结石的有效方法。
Conclusion Ureteroscope pneumatic lithotripsy with invasive, safe, reliable, high row of stone, might be an effective method for ureteric calculi.
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