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- Unexpectedly, if a nonlinear lopping strategy is adopted, the maximum amount of forest harvest is the same as the above result. 我們發現雖然對可再生資源的收穫策略有線性和非線性之分,但是得到的可再生資源的最大持續收穫量是相同的。
- This paper reviews effects of forest vegetation change on small watershed hydrochemical circles, especially the impacts of forest harvesting on water temperature, sediments, and dissolved nutrients. 回顧了國內外森林植被變化對小流域水文化學循環的影響研究,尤其是森林經營活動如採伐等對流域的河流水溫、懸移質泥沙含量、溶解養分等方面的影響。
- forest harvesting and log transport 森林採伐運輸
- ecology-based forest harvesting(EFH) 森林生態採伐
- Effects of forest harvesting on river runoff in Xiaoxing'anling 小興安嶺森林採伐對河川徑流的影響
- After harvest we will have a mass of rice. 秋收后,我們將獲得大量稻穀。
- Discussion about Technique of Sampling Plot for Forest Harvesting Quota 森林採伐限額檢查抽樣技術探討
- The forest will act as a defense against desert dust. 森林能起防禦沙漠灰沙的作用。
- The research yielded a rich harvest. 該項研究有了豐碩的成果。
- The bad harvest led to severe food shortage. 歉收引起食物嚴重短缺。
- We have a plenteous harvest this year. 我們今年取得了大豐收。
- It is said that there are wolves in this forest. 據說這片森林裡有狼。
- A large part of Africa is made up of thick forest. 非洲的大部分地區都是密林。
- The harvest has been safely gathered in. 莊稼已妥善收穫完畢。
- The peasants are harvesting rice in the field. 農民們正在田野里收割稻子。
- We can't always combine work with pleasure. 我們並不總是能在工作中享受到樂趣。
- There is a leafy forest in our hometown. 在我們的家鄉有一片樹葉茂密的森林。
- There is a pine forest near our house. 我們家附近有片松樹林。
- Farmers are very busy during (the) harvest. 在收穫季節里農民非常忙碌。
- Some films combine education with recreation. 有些電影把教育與娛樂結合起來。