由于人们对空气污染和原油储量减少现状的认识，世界各国的科学家试图寻找燃油发动机的替代物。
Recently more and more concern over air-pollution and decrease of oil reserves has forced scientists of many nations to seek alternatives to the internal combustion engine powered automobiles.
麦克基本说，科学家的数据已经不断证实这一威胁，可是世界各国领导人却仍然拿不出来一个应对挑战的计划。
McKibben says the threat is confirmed, continually, by scientific data, yet world leaders have yet to produce an effective plan to meet the challenge.
目前，气候模拟和气候预测成为世界各国科学家研究的焦点和难点问题。
At the present time, climate modeling and climate prediction are the focal points and difficulty with research of scientists all over the world.
光响应高分子凝胶是智能高分子凝胶中的一种，近年来备受世界各国科学家的重视。
In recent years, much attention is paid to the photosensitive polymer hydrogel, a kind of intelligent polymer hydrogels by scientists all over the world.
近年来，随着转基因棉花的推广和种植面积的不断扩大，其安全性已引起世界各国科学家的关注。
In recent years, along with the spread and increasing growing area of transgenic cotton, its safety is more and more becoming concerns of scientists all around the world.
与此同时，它可能造成的负面影响已引起世界各国科学家的关注。
At the same time, it bring negative impact which have arisen the concerns of scientists around the world.
随着糖尿病的发病率升高，世界各国科学家积极地寻找治疗糖尿病的有效方法。
With the increase of incidence of diabetes, the scientists from different countries in the world have been actively searching after an effective method to treat diabetes.
随着糖尿病的发病率升高，世界各国科学家积极地寻找治疗糖尿病的有效方法。
With the increase of incidence of diabetes, the scientists from different countries in the world have been actively searching after an effective method to treat diabetes.
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