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bare rock     
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  裸岩
     Investigation on natural vegetation at open pit and bare rock in Shitang,Ningbo demonstrated that there are 20 tree species,30 shrub species,11 herb species and 6 extrasturatum plants.
     通过对废弃采石场以及裸岩山地自然植被的调查,结果表明,宁波市石宕及裸岩的主要有乔木树种有20种,灌木树种30种,草本11种,层外植物6种。
短句来源
     and hilly cultivated land (23 spp.) . In contrast, the species diversity increased in a different sequence: bare rock ( H ′=1.4629), forest steppe ( H ′= 2.2398 ), mountain steppe ( H ′=2.2676), hilly cultivated land ( H ′=2.7071) and alpine shrub meadow ( H ′=2.7734).
     多样性指数依次增加的顺序为 :裸岩 (H′ =1.46 2 9)、森林草原 (H′ =2 .2 398)、山地草原 (H′ =2 .2 6 76 )、山缘农田 (H′ =2 .70 71)、高寒灌丛草甸 (H′ =2 .7734 ) ;
短句来源
     Construction Technology for Bored Pile on Bare Rock in Deep Water
     深水裸岩钻孔灌注桩施工技术
短句来源
     Linear stretch, index conversion and main composition analysis were conducted on each band of IRMSS B6, B7, B8 and B9. Some enhancement processing including pseudo color processing and band calculation were carried out. The surface thermal anomaly information caused by coalfield self-combustion and thermal anomaly of coal pile, bare rock and residential area.
     通过对IRMSSB6、B7、B8、B9单波段的线性拉伸、指数变换、主成份分析 ,以及IRMSSB6、B7和B8、IRMSSB6、B7和B9的假彩色合成处理、波段运算等增强处理 ,有效地提取了由煤层自燃引起的地表热异常 ,以及煤堆、裸岩、居民区的热异常信息。
短句来源
     In the bare rock stage, the light intensity, air and soil temperatures are the highest, while the relative humidity is the lowest, and the microclimates change violently.
     裸岩阶段光照最强,气温、土温最高,相对湿度最低,变化最剧烈;
短句来源
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  光板岩
     Comparison and Selection of Construction Schemes for Pier Foundation Built on Bare Rock, Donghai Bridge Close to Island Side
     东海大桥近岛段工程光板岩墩基础施工方案比选
短句来源
  裸露岩石
     Ecological landscape is affected by bare rock and steep slope resulting from soil pitting and stone drawing.
     深圳市采土取石造成的裸露岩石、陡坡 ,影响了生态景观。
短句来源
     Construction of fundamental facilities must lead to many bare rock slopes. In order to protect the environment, vegetation restoration is used on the rock slopes.
     基础设施的建设导致大量裸露岩石边坡的产生,为保护生态环境需要对其进行植被恢复。
短句来源
  “bare rock”译为未确定词的双语例句
     Grouting technology to enchance seepage resistance of bare rock mass
     裸露岩体防渗加固的灌浆技术
短句来源
     Based on the different original forest land types, the hill countries of Huzhou City Zhejiang Province, which have been 7 years of closing the land for reforestation, can be divided into three closing hill types of bare rock, barren hill and open forest.
     浙江省湖州市丘陵地区封山育林7年,按原造林地类型不同,可划分为露岩、荒山和疏林封山类型。
短句来源
     The butterfly species composition between forest steppe and hilly cultivated land had the highest similarity (Jaccard index = 0.3704), with the second highest similarity between mountain steppe and alpine shrub meadow (Jaccard index = 0.2500), and the lowest similarity between bare rock and other habitat types.
     森林草原和山缘农田的相似性系数最高 (0 .370 4) ,其次为山地草原和高寒灌丛草甸 (0 .2 5 0 0 ) ,裸岩与其他生境类型的相似性系数最低
短句来源
     On the basis of integrated analysis, the most vulnerable land use types to mountain hazards are built-up such as mine, road, and railway construction, bare rock land at the slope larger than 35 degree, low-cover grassland at the slope larger than 25 degree, shrub woodland at the slope ranges of 8° to 15° and 25° to 35°, and dry land at the slope larger than 25 degree.
     发现区内对山地灾害最敏感的土地利用方式为工矿用地、道路建设用地、>35°的未利用裸地、>25°的低覆盖草地、8°~15°和25°~35°的灌丛地以及>25°的旱地; 最不敏感的土地利用方式是水库常年蓄水位以下的土地、河滩地、密林地。
短句来源
     Most sites were located farther away from bare rock and human disturbance. Results of principal component analysis showed that the 6 principal components explained 84.89% of the total variance.
     对各种生态因子的主成分分析表明前 6个主成分的累积贡献率已经达到了 84 89% ,可以较好地反映马鹿的生境特征。
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  bare rock
It has been empirically found for bare rock surfaces that the magnitude of the characteristic displacement is dependent only on surface roughness and insensitive to both slip velocity and normal stress.
      
Our data indicate thatDc is controlled by surface roughness in a complex way, including but not limited to the effect of roughness on contact junction dimensions for bare rock surfaces.
      
For shear within gouge, shear strength is given by τ=c cosφ + σn sinφ, whereas for shear between bare rock surfaces the shear strength is τ=c cosφ + σn tanφ, where τ and σn are shear and normal stress, respectively.
      
We show that differences in the stress states developed during sliding result in different Coulomb friction laws for distributed shear within a thick gouge layer versus localized shear within a narrow shear band or between bare rock surfaces.
      
(1) A gouge layer 100 to 200 μm thick was developed from the initially bare rock surfaces after 18 to 70 mm of sliding.
      
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The Tibetan Eared Pheasant is an endemic and rare species of Chinese birds and has now been put under protection. It has also been listed as one of the endangered birds of the Red Data Book (King, 1981).This species is distributed in the mountains of western Sichuan, northwestern Yunnan, southern Qinghai and eastern Tibet.In studying breeding ecology of this species, we worked in the field from April to August 1983 in Mt. Jajin of Baoxing county and from May to July 1985 in Mt. Long-er-ka in Ma-er-kong county,...

The Tibetan Eared Pheasant is an endemic and rare species of Chinese birds and has now been put under protection. It has also been listed as one of the endangered birds of the Red Data Book (King, 1981).This species is distributed in the mountains of western Sichuan, northwestern Yunnan, southern Qinghai and eastern Tibet.In studying breeding ecology of this species, we worked in the field from April to August 1983 in Mt. Jajin of Baoxing county and from May to July 1985 in Mt. Long-er-ka in Ma-er-kong county, western Sichuan. Results of our field observations on this species may be summarized as follows1. A general account of the natural environmentAs to vegetation, it may be divided into 5 zones. They are bare rock and putty zone, alpine meadow and shrubby zone, zone of subalpine coniferous forest, zone of evergreen and deciduous broadleaf forest, and zone of evergreen broadleaf forest.2. Habitat and behaviourMost of Tibetan Eared Pheasants are found in the subalpine coniferous forest at an altitude of 3,500-3,900 m. In winter, they descend to 2,800 m.During the breeding season, the pheasants are often found as singles or in pairs, but also in small flocks.After the breeding season, the flocks may consist of several families. Huge flocks from sixty to several hundreds may appear in winter or early spring. There is a 'leader 'cock in a huge flock. When disturbed, the 'leader' utters an alarm call, runs uphill and then swoops down, the others follow one after another, forming a long train.3. Number and density of the Tibetan Eared Pheasant Our census shows that there are 80 (48 adults, 32 young) pheasants and that the density is about 4/km2 in our observational area convering about 20 km2 in Ma-er-koag county, Sichuan.4. BreedingThe Tibetan Eared Pheasant is monogymous. The pairf ormation starts during the middle part of April. During this time they occur at an altitude of 3,541-3,790 m in the coniferous forest.Four nests have been found in the area under observation. The nests are very simple hollows. They were built on the ground in shrubbery or in the grotto under the coniferous forest. Four nests have been measured. They are 390×230, 385×240, 240×220, 400×250 mm in size and 105, 70 and 95 and 170 mm in depth.Population density of this species has been on the decreasing as the habitat is being destroyed by the economic activities of humen beings. Most of the carnivors and birds of prey do tre-medous harm to the eggs, young and adult+ birds.

藏马鸡是典型高山地牺雉类,见于海拔3,500—3,900米的针叶林带。自4月中至7月底为繁殖期。一“夫”配一“妻”。营巢于海拔3,544—3,790米的岩洞、灌丛中或倒木下。共发现4巢,3巢已被破坏,成功率25%。近年来,由于过渡砍伐森林,天敌的伤害,自身弱点(繁殖率低,成熟期长(3年左右)以及其他因素,藏马鸡的数量日趋减少,正面临绝种的厄运。必须及时地采取有效保护措施。

Based on the different original forest land types, the hill countries of Huzhou City Zhejiang Province, which have been 7 years of closing the land for reforestation, can be divided into three closing hill types of bare rock, barren hill and open forest. The authors compare the stands which have closed hill 7 years with the stands which have closed hill 20 years, and discuss the tree species, community structural characters, succession patterns and biomass. The facts show that closing the land for reforestation...

Based on the different original forest land types, the hill countries of Huzhou City Zhejiang Province, which have been 7 years of closing the land for reforestation, can be divided into three closing hill types of bare rock, barren hill and open forest. The authors compare the stands which have closed hill 7 years with the stands which have closed hill 20 years, and discuss the tree species, community structural characters, succession patterns and biomass. The facts show that closing the land for reforestation is an effective messure with low cost, good result and to re-cove quickly forest vegetation.

浙江省湖州市丘陵地区封山育林7年,按原造林地类型不同,可划分为露岩、荒山和疏林封山类型。作者把封山育林7年的林分与封山育林20年的林分加以对照,论述了各封山类型林分的树种组成、群落结构特征、演替规律和生物产量。实践证明:封山育林是一种成本低、效果好、能迅速恢复森林植被的行之有效的营林手段。

In this paper, a procedure of determing the appearance and geometrical elements92 for geological structure of bare rock surface by using tenestrial photogrammetrymethod is described in detail, which includes ground photography、control survey,choice and measurement of special feature points along structure plane on stereoscopicphotographs, determination of cleavage surface and calculation of appearance elementsas well as accuracy evaluation. A robust method with variable weight is used in orderto detect...

In this paper, a procedure of determing the appearance and geometrical elements92 for geological structure of bare rock surface by using tenestrial photogrammetrymethod is described in detail, which includes ground photography、control survey,choice and measurement of special feature points along structure plane on stereoscopicphotographs, determination of cleavage surface and calculation of appearance elementsas well as accuracy evaluation. A robust method with variable weight is used in orderto detect the blunders and to assure the quality of resalts.The corresponding softwareof calculation rock appearance elements has been developed.Through the practical testusing the real data in some mines, the RMSE of m_(γ0) = ±1.0~0, m_(β0) = ±1.47~0 fortilt direction and tilt angle are obtained, which can satisfy the need of users verywell.

本文详细叙述了用地面摄影测量方法确定露岩地质结构面的产状和几何要素的具体方法,包括摄影、控制,象片上节理面特征点的选取和量测,节理面的拟合和产状要素的算计以及精度评定等,并提出平差计算时采用选权迭代法以剔除粗差、保证成果质量。所编制的产状要素计算软件应用于某矿区的实际计算后证明是成功的,所获结果倾向中误差:m_(α0)=±1.0°,倾角中误差 m_(β0)=±1.47°,较好地满足用户提出的小于±5°的要求。

 
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