迄今不甚清楚。
What's clear so far is that Stuxnet was written to attack an industrial control system, such as those used for gas pipelines and power plants.
迄今为止，我们所明白的是，Stuxnet的开发是为了袭击一个工业控制系统，比如用来控制石油管道和电力设备的系统。
For India and others, it is far from clear why the government should send aid abroad when it has so many poor people at home.
印度等国家为什么在国内有这么多穷人的情况下却向国外提供援助，这理由还不太清楚。
Outlawing the payment of ransoms seems unfeasible unless there is clear evidence (none exists so far) that some of the money is finding its way into terrorist hands.
除非找到赎金到了海盗手里的明确证据(至今还未找到)，那就不能将支付赎金定位非法化。
So far, it is not clear whether the strain is spreading beyond farms to cause infections elsewhere in the population.
到目前为止，不清楚这个菌种是否正在向农场造外其他地方的人口蔓延。
Dix, said last night it was still far from clear whether Megrahi was innocent or guilty since the trial had left so many unanswered questions.
迪克斯夫人昨晚说，由于法庭审讯中留下如此多未解之谜，目前仍不太清楚迈格·拉希是无辜的还是有罪的。
But so far no one seems clear what the courses will entail, and some fear that schools may not have the resources to teach them.
但是迄今还没有人能够弄清楚，应该开设哪些课程，而有人也担心，一些学校没有足够的资源来开设这些课程。
So far, there are no clear allegations of fraudulent dealings.
迄今为止，并无明确的欺诈交易指控。
So while the AACR report highlights how far researchers have come in understanding cancer, it's clear that we're not close to conquering cancer - at least not yet.
因此，当AACR报告中强调研究者们了解癌症的程度时，显然我们还没有接近攻克癌症的目标——至少尚未达到。
But building a successful business around it is tough, and so far we've only seen clear-cut examples of commercial success in areas where the product category is mature, even commoditized.
但是围绕开源建立一门成功的生意是困难的，到目前为止我们见到的商业成功都出现在非常成熟的产品类别，甚至已经是达到日用品的程度的。
Results: Lost 35 pounds so far, skin is clear, poops are out of this world, eyes are clear, all is good!
结果：到目前为止一句减掉了35磅！皮肤更光滑了，大便十分通畅，眼睛也明亮了，一切都非常好！
The Professor's results so far have been mixed but it is clear that more students are participating in classroom discussions than they used to.
目前教授的实验结果喜忧参半，但是毫无疑问的是现在参与课堂讨论的学生比以往要多。
What is clear from the data is that foreigners have not deserted the US economy so far and no evidence suggests that they are on the verge of turning away from the largest economy in the world.
从数据中可以看出的是，外国投资者迄今并未舍弃美国经济，也没有证据显示他们准备撤离这个全球最大的经济体。
But what she has so far said and done has been clear and welcome.
但到现在为止她的言行决策都清晰明了，广受欢迎。
Morin says he's contacted Apple for some clarification, but so far can't get a clear answer.
莫林已经联系苹果要求做出说明，但目前尚未有明确的答复。
Similarly, it is not clear how NHS hospitals that have failed so far to achieve foundation-trust status are to be raised to it. Consultation may provide answers to some of these questions.
同样，国民保健制度下的医院若是目前没有条件成为医疗机构信托，日后该如何使其达到要求，这一问题也并不明朗。
So far nothing has been proven, but the SEC is asking questions about these companies' financial reporting and imposing trading halts until they get clear answers.
到目前为止，一切都未经证实，但美国证券交易委员会已开始对这些公司的财务报告提出质询，在有明确结果前对股票实施了停牌。
So if you eat plenty of greens, you're probably in the clear as far as vitamin K goes.
所以如果你的绿叶蔬菜吃得够多，或许就不必为维生素k操心。
Nor is it clear that money has been an overwhelming boost to Mr Obama so far.
要说富可敌国的金钱是奥巴马所向无敌的动力这并不确切。
America has so far not taken a clear position.
美国目前尚未明确立场。
So it is clear what kind of books I wanted to write, in so far as I could be said to want to write books at that time.
如果说当时我有志著书的话，我会写什么样的书是显而易见的。
An engineer added an AM channel alongside the FM signal so that the station can be heard, on clear days, in places as far away as Europe.
一位工程师在FM信号的旁边又增加了AM频道，在晴朗的天气里，像欧洲那么远的地方都可以听到他们的广播。
A rude noise broke on these fine ripplings and whisperings, so far away and so clear.
一种粗重的声音，遥远而清晰，打破了这委婉的汩汩声和低语般的喃喃声。
A rude noise broke on these fine ripplings and whisperings, so far away and so clear.
一种粗重的声音，遥远而清晰，打破了这委婉的汩汩声和低语般的喃喃声。
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