有些已经被人探索过的遗迹，需要通过一些支撑加固，以使其能够在接受游人时保证安全。
Some have been uncovered and supported to make them safe to visit.
徒步旅行是一个简单安全并且尽情同家人或朋友享受自然的可负担的锻炼方式，你想探索自然，但是准备任务是不是令你信心不足呢？
Hiking is a unique and enjoyable way to commune with nature while getting some exercise.
目的探索安全、有效、简便的生物制品防治龋病的新途径。
Objective To explore a new method for effective and safe prevention and treatment of caries.
这是探索者的安全线路。
目的探索安全、有效、能减轻患者痛苦的左半结肠急症一期切除吻合术。
Objective to explore effective and safe method of primary anastomosis after left hemicolectomy in emergency.
前言： 目的：探索更为安全可靠的基因组DNA提取方法。
Objective:To explore a more effective and safe genome DNA extracting method.
目的：探索适用于大鼠动物模型的安全有效的麻醉方法。
Aim: To research a safe and effective anesthetic method for rat models.
安全出游，探索世界，保持联系！
我国道路交通安全的出路在于加强交通管理，做好事故预防，同时积极探索有效的事故抑制措施。
We must strengthen traffic control, reinforce accident, restrain, and re-search an effective accident control measure.
我国道路交通安全的出路在于加强交通管理，做好事故预防，同时积极探索有效的事故抑制措施。
We must strengthen traffic control, reinforce accident, restrain, and re-search an effective accident control measure.
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