| 1. | The variety and complexity of species present and interacting in an ecosystem and the relative abundance of each
某一生态系当中物种多样性和复杂性，以及物种之间的相对丰富度和相互作用关系。 |
| 2. | As it turns out , the spread of grasslands also led to an increase in the relative abundance of grazing mammals such as antelope and gazelle , creating opportunities for hominids capable of exploiting them
原来，草原扩张后，羚羊、瞪羚之类的草食哺乳类，比起过去，数量增加了，对能够利用?们的人类来说，这是机会。 |
| 3. | In these bicyclic sesquiterpanes , the relative abundance of the rearranged drimane is regularly changed in spatial distribution , which may indicate the characteristics of petroleum migration and accumulation in qhd32 - 6 oilfield
该油田双环倍半萜中重排补身烷的相对丰度在纵向上和横向上都表现出有规律的变化，这种规律性的变化可能反映了秦皇岛32 - 6油田油气运移与聚集的特徵。 |
| 4. | When the reactor cooled down , the longer - lived xenon precursors ( those that would later spawn xenon 132 , 131 and 129 , which we found in relative abundance ) were preferentially incorporated into growing grains of aluminum phosphate
当反应堆冷却下来，氙的放射性母核中生命期较长的，则被选择性的包纳进正在成长的磷酸铝颗粒中，例如那些可以生成我们所见的大量氙132 、氙131 、氙129的物质。 |
| 5. | The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus , kerogen , black carbon ( bc ) , etc . the relative abundance , characteristics and structure of these som play a important role on the global carbon cycles , global change , transformation and fate of the organic and inorganic pollutants , the soil fertility
土壤和沉积物有机质是高度非均质的，包括许多复杂的有机高分子聚合物如腐殖质、干酪根、碳黑等。这些有机质的相对含量，性质和结构对全球碳循环，全球气候变化，有机和无机污染物在自然界的迁移、转化和归宿，土壤的肥力等有非常重要的影响。 |
| 6. | Theory therefore indicates that the dark ages were defined by three distinct temperatures : the spin temperature ( a measure of the relative abundance of atoms with different spin states ) ; the ordinary , kinetic temperature ( a measure of the motions of the atoms ) ; and the radiation temperature ( a measure of the energy of the background photons )
因此理论上，黑暗年代是由三种截然不同的温度来定义：自旋温度（不同自旋状态原子相对数目的度量） 、一般的动力温度（原子运动的度量）与辐射温度（背景光子能量的度量） 。 |
| 7. | Monitoring the whole avifauna ( community ) both in breeding season and non - breeding season . individual and population are good indicators of environment pollution , and there are still some questions about the guild monitoring and community monitoring . finally , we surveyed bird species and relative abundance in three areas of the upper reaches of minjiang river during both summer and autumn
普遍意义上的用鸟类监测环境主要包括： 1监测某一种的繁殖期和非繁殖期(冬季)种群； 2监测不同种的种群动态； 3监测整个鸟类区系的种群动态和群落动态，也就是( 1 )种群及个体； ( 2 )种团； ( 3 )群落三个层次。 |
| 8. | The top sediment above 1 . 8m depth was referred to be the deposit under the cold water mass since 9 . 7kabp . in the middle southern yellow sea . q - mode factor analysis was employed on 98 samples and 33 benthic foraminiferous species with relative abundance of more than 2 % in at least 3 samples and 5 varimax factors had been recognized as follows : factor 1 ( ammonia beccarii vars
南黄海中部泥质区的ey02 - 2孔共揭示了氧同位素6期以来的海侵海退序列，该孔浮游有孔虫匮乏，说明黄海暖流对钻孔所处南黄海中部冷涡泥质沉积区影响一直很弱，底栖有孔虫中玻璃质壳占绝对优势，比例为93 . 87 100 。 |
| 9. | Rufifacies , peak 16 ( unknown ) and 25 ( 11 - , 13 - , 15 - methyl - hentriacontane ) for b . peregrina and peak 3 ( unknown ) , 4 ( tricosene ) and 23 ( unknown ) for p . crassipalpis . additionally , the models were developed respectively to determine the larval age of different flies accurately . 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al
2温度对巨尾阿丽蝇幼虫表皮碳氢化合物组成时间特征的影响及日龄推断模型的建立巨尾阿丽蝇幼虫表皮碳氢化合物组份色谱峰，即p30 (二十五烯a ) 、 p33 (正二十五烷) 、 p48 (二十七烯a ) 、 p49 (二十七烯b )和p79 (正三十一烷)含量与幼虫日龄呈极显著相关，且在不同恒温( 16 、 20 、 24和28 )下的变化趋势基本一致。 |
| 10. | Our study shows that maturity has an effect on the evolution of long chain alkyl benzenes , that is , with the increase of maturity , the carbon number distribution of alkyl benzenes shifts to the lower homologues isomers ; relative abundance of alkyl benzenes isomeride decreases , whereas n - alky benzenes increase
研究表明：长链烷基苯的演化受成熟度的影响，表现为随著成熟度的增加，长链正构烷基苯的碳数分布前移，长链烷基苯异构体相对丰度减小；而正构烷基苯相对丰度有增加的趋势。 |
