目的是为了防止在弗吉尼亚州或其他地方发生类似的悲剧。
The goal is to prevent a similar tragedy in Virginia or anywhere else.
在叙利亚，禁止出游照例还是为了防止国人到国外去。
In Syria travel bans have been routinely used to prevent people from going abroad.
为了防止木材崩裂或断裂，干燥室将木材的湿度控制在14%。
Drying cells dry wood to 14% of humidity so as it wouldn't crack or break.
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