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- Sawmill slab of Chinese fir 杉木制材板皮
- sawmill Chinese fir oriented laminated stick lumber slab of Chinese fir 杉木制材板皮
- Consequently, the results show that the RMC method has a distinct effect on recovering species diversity of Chinese fir plantations in southern China. 结果表明,残留物管理育林法对杉木林地的物种多样性有着明显有恢复作用。
- A slab of stone laid flat over a grave. 平放在墓上的纪念碑石
- In wood processing, especially the processing of Chinese fir, wood is liable to crack when dried with the core, which affects productquality. 在木材加工中,尤其是杉木加工,在银材烘干过程中木才带芯烘干造成木材列裂、裂缝,影响产品质量。解决木材带芯烘干中开裂技术难题。
- Biomass of Chinese fir plantations in Fujian Province and its allocation among leaf, branch, stem and roots were studied based on the published biomass data. 摘要通过收集福建省杉木林生物量数据,对福建省杉木林生物量及其分配规律进行分析,结果表明,杉木林生物量随年龄增长呈逐渐增加趋势,并以幕方程拟合的效果最好。
- Research progress on cross breeding of Chinese fir was summarized in this paper and the primary insufficiency was analyzed. 摘要概述了我国杉木杂交育种研究进展,分析了杉木杂交育种存在的主要问题及其对策。
- Therefore,the soil fertility were promoted pronouncedly by the replacement of Chinese fir stand by the Cinnamomum cassia stand. 说明肉桂林取代杉木林后,林地土壤肥力得到较明显的改善。
- Based on the data observed at Huitong Ecology Station, the carbon content of Chinese fir plantation ecosystem was studied. 对杉木人工林生态系统的碳素含量进行了定位观测。
- Genetic variations of growth traits, wood basic density and tracheid length of Chinese fir clones were investigated in this paper. 摘要对杉木无性系生长性状、木材基本密度和管胞长度的遗传变异进行了研究。
- The top of the table was a polished slab of marble. 桌面是一块磨光的大理石板。
- A flat slab of stone used as a paving material. 石板,板石用作铺路材料的扁平的石块
- The company seeks to harvest bamboo mainly of the monopodial species of Phyllostachys pubescens withsmall amount of Chinese fir and Pine within the same plantation. 该林地以种植毛竹为主,杉木和松木为辅。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- A long, flat slab of sawed lumber; a plank. 板锯制的长平板;厚板材
- The biological and ecological characteristics of Chinese fir dormancy buds as well as its sprout mechanism, sprout regeneration technique and sprout regeneration evaluation were summarized in this paper. 摘要对杉木萌芽更新繁殖结构?休眠芽的生物、生态学特性、萌发机理、杉木萌芽更新的应用技术,以及萌芽更新的评价进行总结。
- This paper deals with the effects of ASU on the yield of Chinese Fir seedlings grewing on loamy yellow-red earth. The study was carried out on the basis of pot experiment by using tracer isotope ~(15)N. 本文系利用~(15)N示踪技术以研究ASU与氮肥配施对杉木苗的效果,氮素利用率及氮素在土壤和苗木间的平衡状况。
- This heavy slab of oak now stood between the bomb and Hitler. 这时笨重的橡木厚板就横在炸弹和希特勒之间了。
- This paper presented a kind of NN modeling method named Generalized Regression Neural Network (GRNN), through which the physical, mechanical properties of Chinese Fir could be obtained from its internal structure parameters. 摘要给出由木材内部结构参数确定其物理力学特徵的神经网络设计与实现的方法-广义回归神经网络(GRNN)模型。
- This sidewalk is made of slabs of stone. 这一人行道是用石板铺成的。