The main reason of modern organisms extinct is the effect by human activities.
现代生物灭绝的主要原因是人类活动影响的结果。
That is the effect of human activities on the planet.
这是指人类活动对地球的影响。
Based on hydrometric and meteorological dada, effect of human activities and precipitation on sediment yield of the Jialingjiang River basin has been evaluated by using empirical statistical approach.
基于大量实测资料，用经验统计方法研究了人类活动和降水变化对嘉陵江流域侵蚀产沙的影响。
It is one of the main methods by which the human activities have effect on the environment and the most direct and important factor that drives land cover to change in history.
它是人类活动作用于自然环境的主要途径之一，是历史时期土地覆被变化最直接和主要的驱动因子。
Human activities contribute to global warming by enhancing Earth's natural greenhouse effect.
人类活动促成的全球变暖，加强了地球的自然温室效应。
Water quality was polluted to a certain degree in main stream of Tarim River under the effect of human activities.
受人类活动影响，塔里木河干流的水质受到不同程度的污染。
So we can conclude that Huanglong Ravine travertine degradation, to some degree, should attribute to the effect of human activities.
因此，我们推测，黄龙钙华景观的退化，在一定程度上可能应归结为人类活动的影响。
The global change resulted from human activities, especially the sharp rise in CO_2 concentration and the following warming effect, have caused a widespread concern.
全球变化特别是人类活动产生的CO_2浓度急剧上升和由此导致的增温效应引起了广泛关注。
The spread of tomato is a result of human activities, but its velocity and range are restricted by both natural and human factors. And it has great effect on human being.
番茄的传播是人类活动的结果，它的传播速度、传播范围受到自然和人类双重因素的制约，同时也对人类产生反作用。
Analysis of driving forces of Land use changes can deepen the understanding of human activities in the region changes in the role of effect and mechanisms and reduce the forecast uncertainty.
分析其演变的驱动力，可以加深对人类活动在地区变化中的作用和机制的认识，减少预测的不确定性。
Objective: To observe the effect of cryopreservation on activities of human bone marrow cells.
目的：探讨人骨髓在液氮长期保存下造血细胞活力。
Many scientists believe that human activities are the reasons for greenhouse effect.
很多科学家相信正是人类的活动使得地球升温。
There is a strong correlation between the effect and influence of human activities and soil enzyme activities.
城市土壤中酶活性增加或减小与城市内人类活动的作用程度和影响范围密切相关。
There is a strong correlation between the effect and influence of human activities and soil enzyme activities.
城市土壤中酶活性增加或减小与城市内人类活动的作用程度和影响范围密切相关。
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