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 分布区
 distribution area
 The distribution area of Mongolian wild ass is about 0.14 million km2 (40°20′～46°40′N，85°40′～ 107°30′E), about 700～1500 m in altitude, with a population size less than 200 0. Tibetan wild ass is distributed in an area of about 0.972*! 蒙古野驴分布区面积约为14×104 km2 (40°20′～46°40′N、85°40′～107°30′E)，海拔高程介于700～1500 m,初步估算数量不超过2000头； 短句来源 There are almost 300×10~4km~2 carbonate rocks distribution area in China, oil and gas pool from the Proterozoic Era to the Cainozoic Era stratum also. 我国有近300×10~4km~2的碳酸盐岩分布区，元古代到新生代地层均有碳酸盐岩油气藏，勘探开发潜力巨大。 短句来源 The composition and quantity of Tabanidae are different in every distribution area. In southern areas of Long Mountain there are 5 genera and a total of 31 species,and among these species,11 species of oriental region,8 species of palaearctic region,12 species are widespread species,the most species are distributed at this area. 各分布区的虻种组成与数量不一,陇南南部山地虻科5属31种,其中东洋界成分11种,古北界成分8种,广布种成分12种,是甘肃省虻种分布最多的地区; 短句来源 The distribution area belongs to middle subtropical zone of humid monsoon climate,with an annual average temperature of 11.7～15 ℃ and an annual average rainfall of 1 600～ 2 000 mm on center. 分布区属中亚热带湿润气候,中心分布区年平均气温11.7～15℃,年降水量16 0 0～2 0 0 0mm。 短句来源 Advances in study of the distribution area of species 物种分布区研究进展 短句来源 更多
 range
 2) The content of total N of dry land soil in 2003 was 1.57±0.14 g/kg,which represented a 18.0% increase compared to that in 1990.Main distribution range was 0.75—1.50 g/kg(58.2%—58.8%)both in 1990 and 2003; 2)旱土2003年的氮素含量为1.57±0.14 g/kg,比1990年提高18.0%,1990和2003年主要分布区间都为0.75~1.50 g/kg(58.2%~58.8%),但2003年分布在1.502~. 短句来源 and the δ13O values range between -15. 9‰ and -6. 0‰ and, -7. 6‰ to + 1. 2‰ in the Ordovician. 奥陶系标准剖面(河北唐山剖面)海相碳酸盐岩的δ~(18)O值分布区间为-15.9‰～-6.0‰,δ~(13)C值为-7.6‰～+1.2‰。 短句来源 A research of stable isotopic composition of carbonates from both standard sections of the Cambrian located at Zhangxia, Shandong Province and those of the Ordovician at Tangshan, Hebei Province, both in North China, shows that the δ18O values range from -10. 6‰ to -4. 8‰ and the δ13C values, between -5. 8‰ and + 1. 6‰ in the Cambrian; 渤海湾地区寒武系标准剖面(山东张夏剖面)海相碳酸盐岩氧同位素δ~(18)O值分布区间为-10.6‰～-4.8‰,碳同位素的δ~(13)C值为-5.8‰～+1.6‰; 短句来源 The 3He/ 4He ratios of cobalt crust are lower than those of nodules, and vary in a wide range, from 6.05×10 -8 to 8.08×10 -5 . In the 3He- 4He figure, most data points of cobalt crust fall into the helium isotope range of MORB and mantle plume. 结壳的3 He/4 He 比值相对较低,变化范围为6 .05 ×10 - 8 ～8 .08 ×10 - 5 。 在3 He- 4He 图上大部分结壳的He 同位素数据点均位于MORB 和地幔热柱的He 同位素分布区及其附近。 短句来源 In song section consisting of 302 whistles, the main distributive range of the whistle period and of the mean period of the syllable in each whistle is 115-225ms and 12.90-15.75 ms,respectively. 在由302个哨声组成的鸣声段中,哨声周期和每个哨声内单音节平均周期的主要分布区分别为115-225ms和12.90-15.75ms. 短句来源 更多
 areal
 The species of Mongolian areal type are 29% of areal type and those of Mongolian-northern China areal type are 24%. 分布区型结构以蒙古分布区型的种类最多占29%,蒙古—华北分布区型次之占24%。 短句来源 in term of areal type, there are 15 endemic species to China,16 tropic type, 21 temperate type, and 3 cosmopolitan, accounting for 27 3%, 29 1%,38 2%,5 4% of total genus, respectively. 从分布区类型看 ,中国特有属 1 5个 ,热带性属 1 6个 ,温带性属 2 1个 ,世界分布属 3个 ,各占总属数的 2 7 3% ,2 9 1 % ,38 2 % ,5 4 %。 短句来源 Analysis of areal types shows that 32.8% of the families are of tropical and subtropical type, 23.3% tropical to temperate type, and 18.1% typically tropical type. 科、属、种的分布区类型分析表明:科的分布区类型以热带和亚热带分布最多(32.8%),其次是热带到温带分布(23.3%)和典型热带分布(18.1%); 短句来源 Areal types at generic level mostly are tropical (81.4%), in which 28.4% are of Indo-Malaysian type and 26.8% are of pantropic type. 属的分布区类型以热带亚洲分布最多(28.4%),其次是泛热带分布(26.8%),热带分布多于温带分布(258:55); 短句来源 There are 13 areal types,among 13 areal types,the genera of 26.25% tropical distribution and 31.25% temperate distribution and 37.50% endemic genera to china in total genera. 分布区类型13个,其中以热带或以热带分布为主的属占总属数的26.25%,以温带或以温带分布为主的属占31.25%。 中国特有分布最突出,占37.50%。 短句来源 更多
 distributional range
 (1) Four phases in the history of nature conservation in China are recognized; in the first phase, there was a gradual loss of biotic diversity and reduction in distributional range of many species; 1.中国自然保护的发展经历了四个阶段:第一阶段的特点是生物多样性逐渐受到影响,很多物种的分布区范围缩小; 短句来源 Data were obtained for 392 trees from 20 populations covering the total distributional range of the species. 整个分布区内20居群392个个体的trnT-trnF序列变化进行了研究; 短句来源

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 distribution area
 Larix principis-rupprechtii forest is an important vegetation formation and has a large distribution area in Luya Mountain Reserve, China. This work presents the first integral characteristic of the VirgulinellaBed corresponding to the middle part of the Oligocene-Lower Miocene Maikop Group throughout its entire distribution area in the central part of the Eastern Paratethys. That is why they are encountered throughout the distribution area of this species, even in subzero temperature areas. The distribution area of Upper Riphean stromatolitic formations includes the Karatavian stratotype region, where 12 stromatolite beds ranging in age from ≥900 to 620 Ma are established. Distribution area of the latter was always parallel to marginal structures of the platform, though being of changeable size, particularly of length. 更多
 range
 Among all image transforms, the classical (Euclidean) Fourier transform has had the widest range of applications in image processing. The Hausdorff and packing dimensions of the range BH ([0, 1]N), the As the main application it is shown that, in general, a localization operator possesses the Fredholm property, and thus its range is closed in the target space. We then use interpolation method to identify these spaces with the classical ones for a certain range of p, q >amp;gt; 1. However, the Mattila integral, associated with the Falconer distance problem for these measures is unbounded in the range $0 >amp;lt; s >amp;lt; \frac{d^2}{2d-1}$. 更多
 areal
 The spatial distribution and areal extent for the coniferous forests, shrub-grass, evergreen broad-leaved forests, and agricultural vegetation were calculated and compared with the Vegetation Atlas of China at a 1:1,000,000 scale. In the present study we solve the problem of the interference of wells in such media for an areal system of well locations. In this study we obtain the Integro-differential equation for the motion of the interface of two incompressible fluids in various well areal arrangement systems. Comparative analysis of methods of areal flooding of stratified reservoirs of anomalous oil A parametric study is made of four known schemes of areal flooding: two-point (straight line), five-, seven-, and nine-point [10]. 更多
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