There have been no studies of the effects of a low carbohydrate diet on pregnancy, so its effect on the fetus, if any, is unknown.
目前还没有关于怀孕时低碳水化合物饮食影响的研究，因此如果它对胎儿有什么影响也是不知道的。
Within the medical profession, some have raised concerns about the unknown effects of the additives in the vaccines, in particular a substance called squalene.
在医学界，有些人已经对疫苗中的添加物，尤其是一种名为角鲨烯的物质的不明影响表示了担忧。
But the study also found that these chemical reactions produce byproducts with unknown and possibly harmful effects on health.
但是这项研究同样发现了这些化学反应产生了未知且有可能对身体有危害影响的副产物。
There have been no studies of the effects of a low carbohydrate diet on pregnancy, so its effect on the fetus, if any, are unknown.
目前为止还没有关于怀孕时低碳水化合物饮食影响的研究，因此如果对胎儿有什么影响也是不知道的。
Although the long-term effects of this interaction on the moon are unknown, "this same process should be occurring on airless, silicate-rich bodies throughout the inner solar system," she says.
虽然月球上这种相互作用过程的长期效应并不显见，但是“相似的过程将在整个太阳系内部无空气、富含硅酸盐的天体上发生。”她这样说道。
The chemicals are present in small amounts, but the long term effects of smearing them on our heads, faces, and bodies every day are unknown.
里面化学成分仅是很少的量，但长期地每天涂抹在我们头上、脸上和身体上的效果却是不可估量的。
The long-term effects of bad presents are still unknown.
糟糕的礼物对二人关系的长期影响依然尚未知晓。
Another surprise was aluminum, used in packaging, cooking POTS and water treatment, although its effects are unknown.
另一个令人惊讶的是铝，用于包装，炊具和水处理，虽然其影响尚不知晓。
More than 200 tonnes of oil have already poured into the sea, with unknown effects on Marine life, making it the worst spill in UK waters in the last 10 years.
超过200公吨原油已涌入海中——对海洋生物的影响不明——使之成为10年来英国水域最严重的溢出事件。
Although the effects of these flame retardants on developing babies are unknown, researchers suggest they may stunt growth and lead to lower intelligence.
虽然对这些阻燃剂如何影响婴儿发育的机理尚不清楚，研究人员们认为它们能使发育迟缓并导致智力低下。
Also, the effects of forcing a patient to quit smoking on that patient's psychiatric condition are unknown, he said.
同时，他还说道，目前为止还不知道如果强迫病人戒烟的话，病人的精神状况是否会受到影响。
Another unknown: how long will the treatment effects last?
还有一点不得而知：疗效能持续多久？
Molecular studies paint a potentially bleak picture, but researchers warn that the effects and causes of these differences are unknown.
分析结构研究描绘了一幅潜在的无遮掩的图画，但是研究者们警告这些不同之处的影响和原因还是未知的。
The effects of radiofrequency exposure from mobile phones are still largely unknown.
来自手机的辐射的影响仍然不太为人所知。
Another drawback is that the side-effects are largely unknown and potentially horrible if, for example, a “weed” species were to take advantage of a changed ecosystem.
另一个缺点则是，这种计划的副作用在很大程度上是未知的，而且有可能是可怕的。比如说，在这种被改变了的生态环境中，可能会有杂草类的无种能从中得益以对海洋造成更大的危害。
The findings may resolve some uncertainty about the nature of the virus, but much is still unknown about its origins and effects.
这些发现可能部分解决关于该病毒自然特性悬而未决的问题。但是关于病毒的起源和效应仍然不明确。
Limitations: Few eligible studies were identified. Long-term adverse effects of false-positive PSA screening test results are unknown.
局限性：很少要求符合的研究得以确认。PS A假阳性筛查结果的长期不良影响未知。
The effects of brain activity being artificially stimulated are still unknown.
这种人为刺激大脑活动带来的影响仍然不清楚。
Unknown to many people, herbal remedies can cause serious side effects in some patients.
很多人都不知道，草本疗法可能会对患者造成严重的副作用。
The unknown parameters of this model are divided into two categories: one is the fixed effects, and the other is the variance components.
这种模型的未知参数分两类，一类是固定效应，一类是方差分量。
The review found that dopamine was more effective than dobutamine for short-term treatment, but the effects of these drugs on long-term outcomes is unknown.
本回顾发现，多巴胺比多巴酚丁胺在短期治疗是更有效，但这些药物长期的效果是未知的。
He'll also need to deal with the unknown and potentially tricky effects of transonic speed (that is, approaching Mach 1) on the human body.
他还需要处理跨音速未知的和潜在的微妙影响(即，对人体接近1马赫)。
Flexible working conditions are increasingly popular in developed countries but the effects on employee health and wellbeing are largely unknown.
弹性的工作条件在已开发国家日益受到欢迎，但其对雇员的健康与福祉有何影响则大多未知。
A method of reducing matric effects to make the matric of unknown sample similar to standard sample was introduced.
提出了一种减小基体效应的方法，使待测样品与标准样品的基体非常相似。
The mechanism underlying theproduction of the dual effects of histamine is unknown.
双重效应的机制有待进一步研究。
The advantage of the grey modelling is that it can take the effects of many unknown and accidental factors in the river water quality system into consideration.
灰色模拟考虑了实际河流水质系统中客观存在的不确知因素和偶然因素影响。
The advantage of the grey planning is that the grey planning can take the effects of many unknown and accidental factors in the river water quality system into consideration.
灰色规划考虑了实际河流水质系统中客观存在的不确定因素和偶然因素影响。
The effects of constructing multiple grafts to each major diseased artery territory are unknown.
在每一个主要病变的动脉区域构建多个移植物的影响尚未可知。
The effects of hypoxia on osteogenic differentiation of MSCs is unknown exactly, neither are the involving mechanisms.
关于缺氧对骨髓间充质干细胞骨向分化的影响及调控机理目前尚不清楚。
It is unknown whether depression have effects on ventricular electrophysiological properties.
抑郁对心室肌电生理学特性有何影响尚未见报道。
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