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- energy forest harvester 能源林收获机
- Unexpectedly, if a nonlinear lopping strategy is adopted, the maximum amount of forest harvest is the same as the above result. 我们发现虽然对可再生资源的收获策略有线性和非线性之分，但是得到的可再生资源的最大持续收获量是相同的。
- The applications and development of energy forest are reviewed.And especially, the applications and studies of energy forest bioconversion for energy regeneration are discussed in detail. 文中在概述能源林应用与发展现状的基础上，重点介绍了林木生物转化能源化技术的应用和研究进展。
- Plant Technique of Sand Thorn Energy Forest 沙棘能源林的营造技术
- 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. 回顾了国内外森林植被变化对小流域水文化学循环的影响研究，尤其是森林经营活动如采伐等对流域的河流水温、悬移质泥沙含量、溶解养分等方面的影响。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Prospect on the Research of Energy Forest in the Subtropical Regions of China 我国亚热带能源林研究展望
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- THE EFFECT OF FOREST HARVEST ON THE SOIL THERMAL REGIME IN THE WATERSHED OF CHINESE FIR 杉木采伐对集水区土壤热状况的影响
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- forest harvesting and log transport 森林采伐运输
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- ecology-based forest harvesting(EFH) 森林生态采伐
- It is important to conserve energy. 节省能源十分重要。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实，光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒？
