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- The results demonstrate that this kind of quantitative clu-ster analysis method is characterized with fast result and objective, sci-entific, simple and convenient nature when used to divide the type of sitefactors of hillsides closed to afforest. 事实证明,用这种聚类法定量分析划分封山育林立地条件类型的方法,收敛快,比较客观、科学和简便。
- From the early 1960s to the present,the region has planted 70 million trees and hillsides closed off for forest conservation reached 140,000 hectares a year. 六十年代初至今，全区植树7000多万株，每年封山育林约14万公顷。
- From the early 1960s to the present, the region has planted 70 million trees and hillsides closed off for forest conservation reached 140,000 hectares a year. 六十年代初至今，全区植树7000多万株，每年封山育林约14万公顷。
- The DBH structure indicated a trend that Pinus armandii forest would be replaced by Picea spp.The closed afforestation adding some species of climax was the more suitable type of restoration here. 从径级结构上看，处于演替前期的华山松林有被云杉类取代的趋势，加入演替后期种的封育造林是更理想的恢复模式。
- The hillsides are covered with ferns. 山坡上长满了蕨类植物。
- The once barren hillsides are now good farmland. 昔日荒坡，今日良田。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
- The boss readily closed with the offer. 老板马上接受了这个报价。
- Have you closed the gate and windows? 你把门窗关严实了吗？
- He closed his speech with a funny joke. 他用一则有趣的笑话结束了演讲。
- That oyster closed up its valves. 那个牡蛎把壳合拢起来。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
- For the umpteenth time close the door quietly. 我告诉过你好多次要轻轻地关门。
- Land-hungry peasants push up the hillsides. 缺少土地的农民开垦坡地。
- The Waterloo line is closed for repair. 滑铁卢铁路线因维修关闭。
- The hillsides in June flame with azaleas. 六月的山坡一片杜鹃花红似火焰。
- This project has been closed up. 这个项目已终止了。
- This road is closed to motor vehicles. 这条路机动车不准通行。
