Recovery scenarios can be categorized by whether the cause of the problem is known or unknown.
可依据导致问题的原因是已知还是未知，来对恢复场景进行分类。
TCP Wrappers can also be used to block SSH connections from known or unknown hosts.
还可以使用TCPWrappers阻止来自已知或未知主机的SSH连接。
How might you organize your paper so that it emphasizes the known versus the unknown aspects of evidence in the field of study?
你将怎样组织你的文章，所以它能强调本领域的研究已知的和未知的方面？
This algorithm is ideal for finding data points that are close to an unknown data point and using the known output from those values to predict the output for the unknown.
这种算法非常适合于寻找接近于一个未知数据点的那些数据点并使用来自这些值的已知输出来预测未知输出。
In their speech, I found all of them had made full use of the present time and conditions to prepare for the future and used the known factors to challenge the unknown ones.
在他们的演讲中，我发现他们都充分利用了现在的时间和条件来为未来做准备，用已知的因素来挑战未知的因素。
The simulations on the KDD CUP99 dataset show that the detection rate of known attacks and unknown attacks and the false positive rate of this algorithm are excellent.
在KDDCUP99数据集中进行了对比仿真实验，实验结果表明算法对已知攻击和未知攻击的检测率以及算法的误警率都是理想的。
A sample of a known compound must be utilized in order to assure identification of the unknown compound.
为了确保未知化合物的识别，必须使用已知化合物的样品。
In addition, being affected by some common known or unknown factors, different health or illness measurement values have somewhat correlations, large or small.
另外，由于受某些已知或未知因素的共同影响，不同健康或疾病指标间常常存在或多或少的相关性。
To remain in the correct direction of the research, it is necessary to understand the relation between the "known" and "unknown" properly and face the academic contention with concord.
为使研究保持正确的方向，在研究中要处理好“已知”与“未知”的关系并以“和”的态度对待学术争论。
We consider an optimal control problem linear systems affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions.
研究具有已知动态特性但未知初始条件的持续外界扰动作用下线性系统的前馈-反馈最优控制问题。
Uncertain type to make policy but divided into two kinds of situations again: The concrete distribution of probability is known and unknown.
不确定型决策又分为两种情况：概率的具体分布为已知和未知。
These observations, along with the likely existence of neutralinos, mean that dark matter looks like a known unknown.
这些观测，包括neutralinos存在的可能性，意味着暗物质看上去像是一个已知的未知，我们知道它的存在，但是却知之甚少。
The unknown concentration can then be calculated from the amount of known reagent used.
然后未知溶液的浓度就可以通过被消耗掉的已知溶液的体积计算出来。
Investors face a world marked by "known and unknown unknowns", in the words of Donald Rumsfeld, a former American defence secretary.
用美国前防长拉姆斯·菲尔德的话来讲，投资者身处一个“已知的未知和未知的未知”的世界。
The location of an unknown point, as in navigation, by the formation of a triangle having the unknown point and two known points as the vertices.
三角测量通过以分别作（顶点）的两个已知点和一个未知点形成一个三角形，来求出或定位该未知点，如在航海中。
To be truly free, somewhere along the line you have to be willing to give up the illusory security of the known and fling yourself into the abyss of the unknown.
为了彻底的自由，你终会放弃已有知识带来的虚幻的安全感，进而投身到无穷的未知中去。
Taking the unknown data point, the distance between the unknown data point and every known data point needs to be computed.
对于一个未知的数据点，这个未知数据点与每个已知数据点之间的距离需要被计算出来。
The tracker's observed data are important parameters to determine the precise orbits of those orbit-known or unknown satellites.
光电人卫跟踪仪的观测数据是对已知或未知轨道卫星进行定轨的重要参数。
A known unknown is when you realize a specific intangible exists but can't quantify how much, such as traffic (if you live in Los Angeles you know exactly what I'm talking about).
“已知的未知”是指你意识到一些无形限制的存在，但你无法进行具体量化，例如交通(如果你住在洛杉矶，你肯定知道我在说什么)。
So far, humanity has only recorded sunrises on Mars and Earth, but it is fun to wonder what they would look like on planets known and yet unknown.
到目前为止，人类只记录下了火星和地球上的日出，但是猜想那些已知和未知的行星上的日出是一件非常有趣的事情。
The control of Chen's chaotic system when its parameters are known apriori or unknown is studied by means of a simple linear state feedback method.
通过简单的线性状态反馈方法，分别在系统参数已知和未知的情况下研究了陈氏混沌系统的控制问题。
Strategy: Through 2010, scientists worldwide will exploit and organize what is known, shrink the unknown, and minimize diversion into the unknowable.
研究策略：到2010年，世界范围的科学家们将要发掘和整理已知的知识，缩减未知的范围，最大限度减小不可知事物的牵制。
Moreover, the unknown is often more terrifying than the known. Once the limits of DNA-based knowledge become apparent, some of the fears are likely to evaporate.
另外一点，相比已知的，未知的事物更让人恐惧，一旦以DNA为基础的相关知识广为人知，一些担忧自然而然地就会消失不见。
And wecount these moments. These moments when we dare to aim higher, to break barriers, to reach forthe stars, to make the unknown known. We count these moments as our proudest achievements.
我们珍视这些时刻，这些我们敢于追求卓越、突破障碍、探索星空、揭开未知面纱的时刻，我们将这些时刻视为我们最值得骄傲的成就。
Experiment shows that the system model can detect known intrusion modes with very high detection rate, and also can detect some unknown intrusion modes.
实验表明，该系统对已知攻击模式具有很高的检测率，对未知攻击模式也具有一定的检测能力。
The unknown lies in the known which conditions the discovery of the unknown.
未知存在于已知之中，已知又是揭开未知之迷的条件。
She had known Max for some years now, but he was still pretty much an unknown quantity.
她现在认识马克斯也好几年了，但是他仍然是个大大的未知数。
That's because when you experienced it, you were in the now, and when that happened, the unknown became known.
这是因为当你经历事情时，你是在当下的状态，事情发生时，未知的东西也变得明了了。
That's because when you experienced it, you were in the now, and when that happened, the unknown became known.
这是因为当你经历事情时，你是在当下的状态，事情发生时，未知的东西也变得明了了。
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