Through the study on key technology, the operational efficiency and security of the system has enhanced greatly.

通过对关键技术的研究，极大的提高了系统的运行效率和安全性。

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The new US study of zebrafish has identified a key cellular pathway that appears to trigger regeneration by switching on certain genes.

美国对斑马鱼的最新研究确认，再生的关键细胞途径似乎是通过开关某种基因而激活再生。

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Before the ink could even dry on that study, astronomers have come in with another key piece of evidence to support the theory - and it comes from nearly 400 trillion miles away.

就当这一研究墨迹未干，天文学家又发现了支持上述理论的另一项重要证据——这一次证据来自接近400万亿英里之外。

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Steven Nissen, the chairman of cardiology at the Cleveland Clinic and head of the American College of Cardiology, will present one key study that will use ultrasound probes to measure the effect of torcetrapib on plaque in the coronary arteries at the ACC meeting in New Orleans next March.

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The study subjects also saw their cholesterol levels - another key heart risk indicator - more than halved on average.

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Key to the panel's decision: The study didn't prove that the patients on Arimidex survived longer.

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