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關注：1
2013-05-23 12:21
求翻譯：For many decades, the policy of the United States Forest Service was to prevent all tires. The policy began to be questioned in the 1960s, when it was realized that fire is an essential part of the life cycle of some trees. This produced the policy of controlled burns to educe underbrush. This cleared much of the under是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
For many decades, the policy of the United States Forest Service was to prevent all tires. The policy began to be questioned in the 1960s, when it was realized that fire is an essential part of the life cycle of some trees. This produced the policy of controlled burns to educe underbrush. This cleared much of the under
問題補充： |
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
