- 重点词汇
- thatdet. 那个，那;
- experimentsn.实验( experiment的名词复数 );试验;尝试;实践;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- effectsn.效应;影响;结果;(艺术家或作家所要创造的特定)外观，声响，印象，效果;动产，财物，家财;个人财产;
- forestsn. 森林( forest的名词复数 );丛林;（森林似的）一丛;一片;
- growingadj.生长的;成长中的;增长的;初期的困难（或问题等）;
- white elm美国榆;
- numbers of一些，若干，许多;
- 相关例句
通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析，结果表明：其配置结构较为合理。
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滨海沙荒有的淹没农田和村庄，危害严重，种植防风固沙林带收到一定效果。
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河西走廊防风固沙林体系生态经济效益调查研究
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Tree Species Selection of Optimization Pattern of Sand Control Forest and Their Arrangement
防风固沙林优化模式的树种选择及其配置
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Study of Wind Tunnel Simulation Experiment on Effects of Sand-Shifting Control Forest
防风固沙林阻沙效果的风洞模拟实验
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Study on Preventing Effect of three Farmland Shelter-Forest Network on Soil Wind Erosion
三种网格的农田防护林防止土壤风蚀的效应研究
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Studies On The Patter And Management Evaluation Of Shelterbelt In Arid Sandy Area
干旱沙区农田防护林营建模式与经营评价研究
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Investigation and Research on Farmland Shelterbelts in the hilly areas of Chaoyang Region
朝阳低山丘陵区农田防护林的调查研究
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Protective effects of farmland shelterbelts in Northeast China: A field scale analysis
基于田间尺度的东北农田防护林防护效应分析
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Effect of farmland shelterbelt forest on the mechanism of increasing yield of crops
农田防护林对农作物增产的试验与简析
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Comparative Study on Regeneration by Sprout and Planting of Poplar Farm Shelter Forest
杨树农田防护林萌芽更新与植苗更新的对比试验研究
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Inquiry into Construction Pattern of Shelter-forest on Farmland in Quxian Basin
衢县盆地农田防护林生态建设模式探讨
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The Study on the Dominant Factors of Wind Reduction Effect of Farmland Shelterbelt
影响农田防护林防风效益的主导因子探讨
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Influence of Different Pattern Farmland Shelterbelts on Soil Physical Properties
不同配置农田防护林对土壤物理性质的影响
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Survey on the establishment farm shelterbelt and its economical income in China
我国农田防护林营造概况及其经济效益的评述
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Shelter Structure and Effect of Farmland Shelterbelt in Sand-drift Area in Yulin
陕北榆林风沙区农田防护林结构配置与效益研究
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