But the links have not been proved and little is known about groups such as Boko Haram.
但是，链接关系没有得到证实，并且对博科圣地这类组织有所了解的人甚少。
The admissibility of the algorithm is proved and some new admissibility results are obtained.
本文证明了该算法的可采纳性，得到了一些新的可采纳性结果。
What is not proved and what does not exist are the same; it is not a defect of the law, but of proof.
不能证明的事实等同于不存在，这是证据的缺陷而非法律上的不足。
Physics is an experimental science. Many physical rules and laws ought to be proved and tested through physical experiments.
物理学是一门实验科学，许多物理规律、物理定律都要通过物理实验来证明和验证。
In this paper two theorems have been proved and a method of sensitivity analysis of switched capacitor circuits has been described.
本文证明了两个定理，并由此提出了开关电容电路灵敏度分析的一种方法，此方法特别适合于用计算机程序来实现。
Theory and simulation results have proved and certificated that this method is able to excellently resolve the coherent signal sources of lower ratio of signal and noise.
理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。
The existence and superiority of the result of series LP have been proved and the feasibility of series LP method has been certified with the applied examples of refinery production planning.
证明了串联线性规划解的存在性和更优性，并通过炼油厂安排生产计划的实例说明了该方法的可行性。
In order to solve the problem existing in training data sets, present Bayes algorithm is im - proved and an algorithm using unlabeled data to improve the capability of the classifier is proposed.
为了解决该方法存在的训练数据集问题，本文改进了现有的贝叶斯分类算法，提出了利用未标记数据提高贝叶斯分类器性能的方法。
They grappled with the problem of connecting the electricity and water supplies. The former proved simple compared with the latter.
他们设法解决供电和供水的连接问题。前者与后者相比证明很简单。
His previous fusions of jazz, pop and African melodies have proved highly successful.
他先前对爵士乐、流行乐和非洲音乐旋律的融合已经证明是非常成功的。
She confounded her critics and proved she could do the job.
她驳倒了批评者的看法，证明自己能够胜任那项工作。
Their self-proclaimed leaders have often proved quarrelsome and corrupt.
他们自封的领导人往往被证明是好斗和腐败的。
The company said in a statement that the firings proved "the structural integrity of the turret system and the inherent accuracy of the integration".
该公司在一份声明中指出，发射证明了“炮塔系统的结构完整性和整合的固有准确度”。
Although, as Earl Spencer proved at his sister Princess Diana's funeral, it is possible both to prepare every word and to act naturally.
尽管如此，正如厄尔·斯宾塞在他妹妹戴安娜王妃的葬礼上所证明的那样，准备好每句话并表现得自然是可能的。
Yet so far, scientists haven't proved it is true and some say they are just bears.
但到目前为止，科学家们还没有证明这是真的，一些人说它们只是熊。
The shortage of crews proved to be a greater and greater problem, despite continuous appeal to Venic's tradition of maritime greatness.
尽管一再强调威尼斯那海事之伟大的传统，但是船员的短缺被证明是一个日益严重的问题
The fearless rodent proved he was no scaredy-cat as he astonishingly squared up to his large opponent and refused to budge.
这只无所畏惧的啮齿动物证明了自己并不是胆小鬼，它向体型庞大的对手摆出了惊人的架势，并拒绝让步。
"Let me only just find a door-mat," says you to yourself, "and my theory is proved!"
“只要找到一块门前擦脚垫，”你对自己说，“我的理论就得到证明了！”
It has been frequently assumed, but not proved, that the majority of the migrants in what has come to be called the Great Migration came from rural areas and were motivated by two concurrent factors.
人们常常假设，但没有证据证明，在所谓的“大迁移”中，大多数移民来自农村地区，这是由两个同时发生的因素推动的。
Clinton proved to be a quick learner and soon settled into serious struggles over cutting the budget.
克林顿果然学得很快，不久就着手解决降低预算的重大问题。
That challenge has proved to be singularly exacting and complex.
事实证明，那个挑战极其艰巨复杂。
Yet these desperate measures have proved the right ones and, sadly for many journalists, they can be pushed further.
然而，事实证明，这些孤注一掷的措施是正确的，而且令许多记者感到悲哀的是，这些措施还可以进一步推行。
Over the years scientists have devised many such coding methods, and they have proved crucial in many technological feats.
多年来，科学家们设计出了许多这样的编码方法，并在许多技术成果中证明了它们的重要性。
Farmer is very concerned about the need to alert the public to poor security and, so far, events have proved him right.
法默非常担心需要提醒公众注意糟糕的安全状况，到目前为止，事实证明他是对的。
It's become so iconic that attempts to change its taste in 1985—sweetening it in a move projected to boost sales—proved disastrous, with widespread backlash and anger from consumers.
它变得如此经典，以至于1985年它试图改变口味、通过增加甜味来提高销量的时候出现了灾难性的结果，遭遇了消费者的普遍反对和愤怒。
The good news is that Moffitt says self-control can be taught by parents, and through school curricula that have proved to be effective.
好消息是，莫菲特说，自我控制能力可以由父母训练培养，而且学校的课程也有效果。
It has been proved that sorting out your desk can improve your learning and working efficiency.
事实证明，整理你的桌子可以提高你的学习和工作效率。
The United States minted about 857 million silver-colored "Susan Anthony" dollars between 1979 and 1981, but the coin proved unpopular because it looked and felt too much like a quarter.
1979年至1981年间，美国共铸造了约8.57亿美元的银色“苏珊·安东尼”币，但这种硬币并不受欢迎，因为它看起来和感觉上都太像25美分硬币了。
It has been proved that Low Till Farming increases harvests and reduces water use, and this method reduced the need for chemical products because there are fewer unwanted plants.
实践证明，低耕农业提高了作物产量，减少了用水量；而且，由于有害植物变少了，这种农业对化工产品的需求也降低了。
It has been proved that Low Till Farming increases harvests and reduces water use, and this method reduced the need for chemical products because there are fewer unwanted plants.
实践证明，低耕农业提高了作物产量，减少了用水量；而且，由于有害植物变少了，这种农业对化工产品的需求也降低了。
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