起关键作用的成分是番茄红素，这种抗氧化剂已被确定可降低男性患前列腺癌和心脏病的风险。
The key ingredient is thought to be the lycopene, the antioxidant already credited with cutting the risk of prostate cancer in men and protecting against heart disease.
科学家不确定遗传在肥胖上面起多大的作用，但是预测它所占比例从最低20%到最高90%。
Scientists are unclear as to how much of a role genetics plays in how chubby you are, but estimates range from as low as 20 percent to as high as 90 percent.
从Joanna Yeates的尸体被发现的那一刻起，侦探们就强调科学在确定她死亡的方式以及找到杀死她的凶手上起到多么重要的作用。
From the moment Joanna Yeates's body was found, detectives emphasised how important scientific work would be in establishing how she had died and convicting her murderer.
然而一个模糊控制器所要确定的参数很多，专家的经验只能起一个指导作用，很难根据它准确地定出各项参数。
But one fuzzy controller need a lot of parameters, the expert's experience only play a guide role and is difficult to make sure every parameter accurately.
同时声称，将来的研究还需要确定巧克力到底是抑郁的诱因还是对抑郁心情只起暂时缓和作用。
They said future studies will be needed to determine whether chocolate is a cause of depression, or a temporary salve.
这就非常有用了，因为没有人真正确定在人体可以起保护作用的剂量是多少。
That would be extremely helpful because no one is really certain yet what dosage is required for a protective effect in humans.
直到20世纪初期确定了蚊虫和寄生虫在本病中所起的作用。
The roles of the mosquito and the parasite were proved in the early 20th century.
第二节考虑金融市场自身所具有的不确定性和信息不对称性等因素，研究市场环境在金融泡沫形成中所起的作用。
Considering the uncertainty and dissymmetry of information possessed by the financial market, the second segment studies the function of market environment in the forming process of financial bubbles.
确定水力裂缝在井壁处起裂的压力和方式，对水力压裂设计和施工有重要的作用。
It is important for fracturing design and operation to determine hydraulic fracturing initiation pressure and mode.
Bloom教授和他的研究组最近进行的研究，确定了消化道激素在食欲控制方面所起的作用。
Recent research by Professor Bloom and his team identified the role played by gut hormones in appetite control.
溶血磷酯酸已经在大脑中起作用，甚至有一起提示它可能和癫痫有关，但要准确指出它是如何作用的仍然还不确定，Nitsch说。
LPA has been known to play a role in the brain and there were even some hints it could be involved in epilepsy, but exactly what it does has remained unclear, Nitsch said.
在农业机械的设计制图中，常涉及一根起支撑作用的斜杆，在装配图中由于它处于倾斜位置，难于确定它的形状和位置。
In the design graphics of agricultural machinery, we often deal with a oblique rod which plays a supporting role. In assembly drawing it is difficult to determine the form and position of the rod.
研究团队同时确定了Ad - 36病毒的一个基因，叫做E4Orfl，它似乎在感染动物脂肪聚集中起关键性作用。
The research team has also identified a gene in the Ad-36 virus, called E4Orfl, that seems to play a key role in switching on the fat accumulation process in infected animals.
影像学检查对于确诊起非常重要的作用，同时在确定治疗方案、治疗和预后随访中扮演重要角色。
Radiological evaluations have gained importance in the diagnosis, treatment planning, treatment and treatment monitoring of the spinal infections.
科学家最新研究表明，每天喝两杯番茄汁可以增强骨质，预防骨质疏松症。起关键作用的成分是番茄红素，这种抗氧化剂已被确定可降低男性患前列腺癌和心脏病的风险。 加拿大多…
Tomato juice a day helps beat bone disease Two glasses of tomato juice a day strengthens bones and can ward off osteoporosis, say scientists. The key ingredient…
同时，客观外环境对中年一代的身份认同起消极作用，主观人际互动起积极作用，也使其身份认同处于不确定中；
Because objective external environment makes positive influence and subjective interpersonal interaction makes negative influence on middle-aged generation's identity, their identity is indefinite;
同时，客观外环境对中年一代的身份认同起消极作用，主观人际互动起积极作用，也使其身份认同处于不确定中；
Because objective external environment makes positive influence and subjective interpersonal interaction makes negative influence on middle-aged generation's identity, their identity is indefinite;
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