二氧化硫是一种污染物，并且是形成酸雨的主要因素。
Sulphur dioxide is a pollutant and a major contributor to acid rain.
他们报告说，云是影响气候的一个重要因素，但迄今尚未进行过调查研究。
They reported that clouds are an important and heretofore uninvestigated contributor to the climate.
这种气体是导致全球气候变化的一个重要因素。
The gas is an important factor that causes climate change all around the world.
垃圾填埋场的废纸会释放甲烷，甲烷是导致全球气候变化的一个重要因素。
Paper in landfills causes the release of methane, a gas that is an important factor in climate change all around the world.
莱文说，在控制了父母的收入、教育和交谈量的差异等因素后，发现拼图游戏是预测认知能力的一个重要因素。
Puzzle play was found to be a significant predictor of cognition after controlling for differences in parents' income, education and the amount of parent talk, Levine said.
捕食者是维持群落物种丰富多样的一个重要因素。
Predators are an essential factor in maintaining communities that are rich and diverse in species.
后者是19世纪吸引移民到美国的一个重要因素。
The latter was an important factor in attracting settlers to the United States during the 19th century.
这不包括环境质量或教育成果等有助于提升人的幸福感的重要因素。
It does not include important factors such as environmental quality or education outcomes–all things that contribute to a person's sense of well-being.
根据最近的研究，数字鸿沟是由阶级、性别和代际这三个主要因素造成的。
According to recent studies, digital divide has been caused by three major elements: class, sex, and generation.
在我看来，运动员的健康和态度是使其在特定运动中取得成功的首要因素。
In my opinion, athelets' fitness and attitudes are the overriding factors to make them succeed in their particular sports.
因此，资源的竞争似乎是决定一个特定栖息地是否适宜的另一个重要因素。
So it looks like competition for resources is another important factor in determining if a particular habitat is suitable.
导致沙漠化的主要因素有四个：过度种植、过度放牧、过度砍伐、过度灌溉。
Four specific activities have been identified as major contributors to the desertification processes: overcultivation, overgrazing, firewood gathering, and overirrigation.
在美国殖民地，报纸和小册子等广告和传播媒体成为推销商品和服务的主要因素。
In the American colonies, advertising and communications media like newspapers and pamphlets became a major factor in marketing goods and services.
在我看来，身体健康和心态是驱动运动员在其特定的运动项目中取得成功的首要因素。
In my opinion, physical fitness and mental attitude are overriding factors to drive athletes to succeed in their particular sports.
一个是人类生存的首要因素似乎是人类在智力上胜过其他物种的能力，而不是他们的侵略性。
One is that people's capacity to outwit other species, not their aggressiveness, appears to be the dominant factor in human survival.
火灾是维持稀树草原的一个重要因素，在大多数地区都是如此，（人们）对此通常很少有疑问。
There is generally little doubt that fire is a significant factor in maintaining savanna, certainly in most regions.
总结一下，今天的讲座讲了新闻发布会的一些优点和缺点，以及成功新闻报道的三个重要因素。
To sum up, today's lecture has covered some of the advantages and disadvantages of the press conference, and three important factors in successful news coverage.
这种帮助是至关重要的，因为照顾受害动物的高成本是防止人们卷入虐待案件的一个主要因素。
This help is critically important because the high cost of caring for animal victims is a major factor that prevents people from getting involved in cruelty cases in the first place.
利兹成功经验中一项重要因素是名为“亨利”的计划。该计划让父母奖励那些防止儿童肥胖的行为。
A significant factor in the Leeds experience appears to be a scheme called HENRY, which helps parents reward behaviours that prevent obesity in children.
在劳工市场，由于雇主对体重的看法也是一个重要因素，因此完善反歧视法，将体型作为一个分类也会有所帮助。
Since employers' perception of weight is what matters in the labor market, changing discrimination laws to include body type as a category would also help.
把肥胖视为一种疾病“可能会降低人们的自主权，削弱并剥夺人们内在的动力，而这种动力是推动改变的重要因素。”
Labelling obesity as a disease "risks reducing autonomy, disempowering and robbing people of the intrinsic motivation that is such an important enabler of change."
在打算留在早教工作者队伍中的男性教育工作者中，超过70%的人表示，加薪是激励他们长期从事这一职业的主要因素。
Over 70% of male educators who said they intended to stay in the early education workforce noted an increased salary was a major motivating factor for them to commit to the career long-term.
这种标准化测试可能无法评估在学校和生活中取得成功所必需的所有重要因素，Robert J.Sternberg争论道。
Such standardized tests may not assess all the important elements necessary to succeed in school and in life, argues Robert J.Sternberg.
它指出了决定食用菌黄体牛肝菌生长的主要因素。
It pointed out the main factors determining the growth of the edible fungus Suillus luteus.
北方十字军是拉丁天主教化和德国化的重要因素。
The Northern crusades were the important factors of Latin-Christianization and Germanization.
砂轮磨削刀剪的过程中产生的磨削热是一个重要因素。
The grinding heat is the important factor when the forfex is machined with gringing wheels.
种植密度是影响甜高粱茎，种子和糖精含量的主要因素。
Planting density is the major factor that affected production of sweet sorghum stem and Seed and saccharinity.
影响腔室压力和温度的主要因素可以概括为气压和长度直径比。
The main factors that affect the pressure and temperature of the chambers can be summarized as air pressure and L/D.
从心理类型学的角度讨论了导致先前获得的语言的负面迁移的最重要因素。
The most important factor causing negative transfer of previously acquired languages was discussed from the perspective of psychotypology.
在影响结实率的诸多因素中，异花授粉的效率以及植物对异花授粉的依赖程度是重要因素。
We consider that the limitation and dependence of xenogamy are important factors among the factors influencing seed set.
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