They are mainly distributed in the palaearctic, nearctic, oriental, ethiopian region.
他们主要分布在古北区、东洋区、新北区和非洲区。
Proven reserves of ferrous metals include iron, manganese, vanadium and titanium. China's 45.9 billion tons of iron ore are mainly distributed in northeast, north and southwest China.
黑色金属矿产探明储量的有铁、锰、钒、钛等，其中铁矿保有储量为459亿吨，主要分布在东北、华北和西南地区，辽宁的鞍山-本溪一带、河北的冀东一带、四川的攀枝花一带，都是大型的铁矿区。
Among ginseng strains, Shizhu Ginseng is particular to China, mainly distributed in Manchu Automonous County of Kuandian, Liaoning Province.
在人参的诸类品系中，石柱参独产于我国，主要分布于辽宁省宽甸满族自治县。
Melastomataceae is mainly distributed in tropical and subtropical areas of the world. Many of them are the wild flower plants with high ornamental values.
野牡丹科植物主要分布于热带亚热带地区，其中不乏许多有观赏价值的野生花卉。
CD25 + cells were mainly distributed in the the medulla.
CD 25阳性细胞多分布于髓质。
Arable land was mainly distributed in various types of plains.
耕地主要分布在各类平原地区。
These three cells are mainly distributed in the central region.
这三种细胞主要分布在中央区域。
Oil and gas are mainly distributed in the fault-fold and slope zones.
其油气主要分布在断褶和斜坡带中。
As terrestrial deposits, Pingyi Gypsum mine is mainly distributed in EgB.
平邑石膏矿主要分布于第三系卞桥组地层中，为陆相湖泊沉积型。
These butterfly species are mainly distributed in evergreen broadleaf forests.
蝶类主要分布在常绿阔叶林。
Soluble P was mainly distributed in soil solution and less in the water layer.
肥施入土壤后，水溶性P主要存在于土壤溶液中，而分布于水层中的P相对较少。
Sala people are mainly distributed in the areas such as Qinghai, and Gansu of our country.
撒拉族主要分布在我国的青海、甘肃等地区。
They are mainly distributed in the northwest, north and northeast China arid and semi-arid areas.
主要分布于西北、华北和东北干旱和半干旱地区。
The positive signal of ISH was mainly distributed in the epithelium of renal tubule and collecting duct.
杂交阳性信号主要分布在肾小管和集合管上皮细胞。
Results The stress mainly distributed in the endplate and lumbar disc, especially in the posterior part.
结果应力变化主要集中于终板及椎间盘，以后部更为明显；
In process the sulfur compounds are mainly distributed in vacuum gas oil (16.15%) and residue oil (77.16%).
加工过程中，硫化物主要分布在减压蜡油（占16 .15 %）和渣油中（占77.16 %） ；
Sedimentary-type vanadium deposits in Hunan are mainly distributed in Wulinshan, Leifengshan and Longshan area.
湖南沉积型钒矿床主要分布于武陵山区、雪峰山区和湘中龙山地区等。
The middle oil-gas reservoir-forming assemblage is mainly distributed in the second and the third step regions.
中部油气成藏组合主要分布在第二、第三台阶区；
The Galeaspid is one major group of Agnatha in the Middle Paleozoic, and is mainly distributed in China and North Vietnam.
盔甲鱼 类是古生代中期化石 无 颌 类的主要 类群，其分布主要限于我国境内以及越南北部。
The gas cap pools, mainly distributed in Paleogene, are formed by spillover of undissolved gas in high saturated oil pools.
气顶气藏主要分布在下第三系，是在高饱和油藏的基础上，由于不能溶解于石油中的天然气的溢出而形成。
Dry matter was mainly distributed in leaves before growth of the 15th visible leaf, and then turned to the stems and leaves.
干物质在各器官中的分配随生长中心的转移而发生变化，15可见叶前干物质主要分配在叶片中，而后转为茎、叶；
Temperature effect is mainly distributed in mid-high latitudes under monthly scale except for Bamako and Addisababa stations.
在月尺度下，除巴马科和亚的斯亚贝巴站外，温度效应主要分布在中高纬度。
Soil P was mainly distributed in the fine fractions on the acidic soils, however on the calcareous soils in the coarser fractions.
在酸性土壤中P主要分布在较细的粒级中，而在石灰性土壤中则主要分布在较粗粒级中。
The reservior properties are closely related with the three facies. Oil is mainly distributed in the explosive and effusive facies.
火山岩体的储集性能与这三个相带密切相关，油气主要分布在火山爆发相和火山溢流相带。
The results indicated that CD4 + and CD8 + cells were mainly distributed in the deep layer of cortex, and few of them in the medulla.
结果表明，CD 4阳性和CD 8阳性的细胞主要见于皮质深层，髓质中较少。
Small mammals of forest type are mainly distributed in shrubland, secondary forests and primary forest, which are clustered into one group.
灌丛、原生林和次生林中主要分布有森林型小型哺乳动物，聚为一类，为森林群落型；
The gold ore deposits are mainly distributed in the north China platform, Yangtz platform and Tethys, the three tectonic-metallogenic realms.
金矿床（ 点）主要分布在华北地台、扬子地台和特提斯三大构造成矿域中。
The gold ore deposits are mainly distributed in the north China platform, Yangtz platform and Tethys, the three tectonic-metallogenic realms.
金矿床（ 点）主要分布在华北地台、扬子地台和特提斯三大构造成矿域中。
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