2) near-natural forest
近自然林
1.
Origin and connotation of "near-natural forestn as well as the implementation of the forest in Middle Europe are described.
本文简要的论述了“近自然林”的由来、内涵以及在中欧国家的实施情况。
2.
Theory and method of near-natural forest was applied in this paper to discuss the pos- sibility and necessary of near-natural forest in managing the second around city forest in Guiyang city.
本文运用近自然林经营的理论和方法,对贵阳市第二环城林带进行近自然经营的可行性和必要性进行探讨,并提出了相应的思路和建议。
3) natural reproduction of plantations
人工林天然化
4) nature-approximating landscape architecture
近自然园林
1.
Theoretical basis and construction methods of urban nature-approximating landscape architecture.
城市近自然园林的理论基础与营建方法
5) close-to-nature forestry
近自然林业
1.
The major function of urban forests in Shanghai is ecological benefits,and therefore the close-to-nature forestry system is needed to keep the balance and maximize the ecological function.
笔者介绍了近自然林业的概念及特点,上海的立地条件特点,可借鉴的近自然森林群落以及近自然林营造的实例,探讨了近自然林经营模式,最后提出上海营建近自然林应注意的问题。
2.
The theory of close-to-nature forestry,which originated from Germany,embodies the philosophy of Unity of Heaven and Man,emphasizes the harmony between man and nature and goes with the trend of times.
起源于德国的近自然林业理论,体现了"天人合一"的哲学思想,强调人与自然的和谐相处,符合当今世界的发展潮流。
补充资料：人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来：前者指人工体外受精而言，后者指把精液注入到妇女的阴道或宫颈管、宫腔内，使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条