negative contribution meaning in English
负贡献
Examples
- Negative contribution means the mortality of some causes of death is getting worse during this 10 year period
负值意谓这些死因之死亡率在十年间相对于其他死因之死亡率其改答之趋势有限甚而可能忌化。 - Total factor analysis of health production function indicates that there has been great changes in influential factor of the health since the open and reform policy was implemented : ( 1 ) economic factors promote the development of health ; ( 2 ) urbanization improves the health , but the increase of female proportion reduces the health level ; ( 3 ) in the sanitation factors , the increase of doctors reduces the health , the elasticity of the sickbeds is negative ; ( 4 ) education significantly improves the health ; ( 5 ) the living factors exhibit certain negative contribution to health
全因素分析表明，改革开放后，健康的影响因素发生了深刻的变化： ( 1 )经济因素对健康具有促进作用； ( 2 )社会因素中，城市化率提高促进了健康的改善，女性比例的提高反而降低了健康水平； ( 3 )卫生因素中，医生和门诊的增加引起健康水平总体下降，而病床数起到了改善健康的作用，疾病预防对健康正贡献的时滞性减弱； ( 4 )教育因素对健康的促进作用明显； ( 5 )生活因素对健康表现出一定的负贡献。 - The systematic and synthetic description and review of lianas , chiefly in tropic , are described and reviewed in this paper , in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase , and some ecological consequence are resulted from which
摘要对藤本植物（以热带为主）研究的动态与发展进行了综述，其中包括： ( 1 )藤本植物的概念及重要性； ( 2 )藤本植物区系和分布； ( 3 )藤本植物的生物学特性； ( 4 )藤本植物的生态学特性； ( 5 )藤本在森林中的多度（密度）及种的丰富度； ( 6 )藤本在空地上聚生的生态意义以及它们在森林演进过程中的消长； ( 7 )藤本与树木的相互关系； ( 8 )藤本对森林正面和负面的影响； ( 9 )藤本的攀援方式类别及其竞争优势； ( 10 )全球气候变化（ co2浓度增高）促进藤本优势度增长并导致不良的生态后果。