1) plantation skidding
人工林集材
1.
Several types of winch suitable for plantation skidding were selected by method of value engineering analysis.
阐述绞盘机在各种工程索道中的应用 ,用价值工程分析方法筛选几种适宜人工林集材绞盘机 ,并预测林业和公路桥梁、水电等土建工程无支架施工绞盘机的发展前
2) man-power harvesting
人工集材
3) manual extraction
人力集材(林)
4) plantation wood
人工林木材
1.
Mechanical properties of Castanopsis hystrix and Betula alnoides plantation wood;
红锥和西南桦人工林木材力学性质的研究
2.
Preliminary research on bonding properties of six kinds of plantation wood;
六种人工林木材胶合性能初步研究
3.
Shrinkage characteristics of Castanopsis hystrix and Betula alnoides plantation wood.;
红锥和西南桦人工林木材干缩特性的研究
5) commercial plantation
人工用材林
1.
Analyzing operation mode of commercial plantation between China and foreign countries,this paper points out shortage of operation mode in China,and puts forward that scale operation of commercial plantation is the trend.
本文通过对国内外人工用材林经营方式进行分析,寻找我国人工用材林经营方式的不足,进而提出通过林工贸一体化实现产业间的协同效应,实现人工用材林由分户经营向规模化经营的转变,将成为我国人工用材林经营方式的发展趋势。
2.
This paper, based on the research background of collective forests management with household-standard distribution principle, is intended to give a prudent analysis of necessity of scale business of commercial plantation in China’s collective forest lands.
以我国集体林区林农分户经营为研究背景,对我国集体林区人工用材林规模化经营的必然性进行了研究。
6) plantation
[英][plɑ:n'teɪʃn] [美][plæn'teʃən]
人工用材林
1.
According to the characteristics of plantation management in southern collective forest areas,this paper suggests that plantation cutting be controlled and managed according to area quota.
针对南方集体林区林权制度改革后人工用材林的经营特点,提出在南方集体林区实施按面积限额进行林木采伐控制管理,并在分析按面积限额进行采伐管理重要意义的基础上,进一步阐述了按面积限额进行采伐管理的实施办法和相应的配套措施。
2.
Beforetime, people believe that plantation income is lower.
对福建省人工用材林的投资风险进行实证分析,得出结论:1993—2002年,福建省人工用材林自然灾害风险所造成的平均风险损失较低,这与木材税费下降和人工林优惠政策出台有关;然而,对私人而言,其森林一旦发生火灾或病虫害,将造成投资损失,因此,政府必须建立分散风险的制度。
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