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- Natural seeding and regenernation were accelerated by thinning and massive cutting on fixing sand forest in Zhanggutai region in Liaoning province. 辽宁省章古台固沙林经过经营疏伐与块状采伐以后,通风透光条件改善,促进了天然下种更新。
- fixing sand forest 固沙林
- Planting trees and grass can not only resist but also fix sand. 植树种草既能阻沙,又能固沙。
- More experimental proof were needed to testify whether this evolution could maintain the security of artificial vegetation fixing dune system and The stability of fixed sand dunes in Shapotou area. 微生物结皮能否保证沙坡头人工植被固沙区的长治久安还需要进一步的试验来证明。
- Eco-geographical flora of pathogeny was discussed, and divided in to 3 forestation areas, such as sand forest center arboretum, 106 sand fixation areas and Wuhai sand-fixation forest. 讨论了病原物的生态地理区系,并分为沙林中心植物园、106治沙工区、乌海治沙林场3个固沙造林区。
- The analysis to sandy desertification land types shows that the moving sand dune decreases, semi-fixed sand dune and fixed sand dune increase. 从沙化土地类型上分析,流动沙地面积减少,半固定、固定沙地面积增加。
- The main results are that the area for fixed sand land and semifixed sand land decrease,and the mobile sand land increase,and the salinate fields also shrunk. 结果表明,该地区固定半固定沙地面积均有所减少,流动沙地扩大,同时盐碱地大大萎缩。
- Shao Y Q,Zhao J,Bao Q H,et al.Microflora dynamic in microbiotic crust layer of fixed sand dunes in Shapotou region,Tengger desert[J].Journal of Desert Research,2002,22(3):298-303. [8]邵玉琴;赵吉;包青海;等.;沙坡头固定沙丘结皮层的微生物区系动态[J]
- The Colored Sand Forest in Luliang---A Dreamlike World 彩色沙林
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍,打算整修整修。
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The population in the semi fixed sand dunes had the most developed root systems, followed by the population in the fixed sand dunes, and that in the inter dunes lowland was the last. 半固定沙丘上的黄柳根系最发达 (根系分布深 ,数量大 ) ,固定沙丘的黄柳明显不及前者 ,而丘间低地的黄柳根系最不发达。
- She was fixing lunch for children. 她在为孩子们准备午饭。
- Ouch! The sand is so hot! I can burn my feet. 哎哟!沙子这么烫!会烫伤脚的。
- I'm having a devil of a job fixing my car. 我修我这辆汽车可费劲了。
- The population in fixed sand dunes was rather intermediary between the above two and the frequency distribution of the first-year shoot lengths followed a Weibull Distribution Model. 固定沙丘上灌丛的上述特征大致介于二者之间,而其当年枝长度频度符合Weibull分布。
- It is said that there are wolves in this forest. 据说这片森林里有狼。
- The sand blew into the food and made it gritty. 砂吹进食物中,里边尽是砂子。