Their function and meaning are completely unknown.
它们的功能和意义是完全陌生的。
To me, it's just like listening to a language completely unknown.
对我来说，就像在听一种完全不懂的语言。
You must keep alert when you are in a completely unknown environment.
在一个完全陌生的环境里，你必须随时保持警惕。
We meet today with unprecedented challenges, all of which are completely unknown.
我们今日遇到挑战前所未有，所有的情况完全陌生。
So he was freed to return to his home, a world in which he was completely unknown.
于是他被释放回到了家——一个他完全陌生的世界。
Clearly there is a lot going on deep in the Earth that is completely unknown to science.
显然，地球深处发生了许多科学完全未知的事儿。
This new type of cultural pluralism is completely unknown in the history of mankind.
这种新型的文化多元化在人类历 史上闻所未闻。
And it is completely unknown what impact a wide variety of these nanoparticles might have on human health.
而针对种类繁多的纳米颗粒对人体健康的影响，我们更是完全地一无所知。
There are others whose function is completely unknown at this stage and obviously people are trying to figure those out.
其他基因的功能目前完全未知，人们正在努力研究。
They soon realized they were looking at the largest rain forest in Southern Africa, and one that had previously been completely unknown to science.
很快他们认识到自己观察的是非洲南部最大的一片热带雨林，而这在之前的科学界中是完全未知的。
This paper studies the hybrid multiple attribute decision-making problem, in which the information about attribute weights is completely unknown.
研究了一种属性权重未知的混合型多属性决策模型。
In either case you are looking at the prospect of changing your procedures and tools from something very familiar to something perhaps completely unknown.
无论出于何种原因，您原来非常熟悉的工作方式和工具可能都将变得完全不同。
Therefore, the amount of time required for any particular memory access is completely unknown (if the memory is swapped out, who knows how long it will take).
因而，某一内存访问所需的时间是完全未知的(如果内存被换出，所需时间的长短是不可知的)。
An adaptive iterative feedback control approach was proposed for a class of single-input, single-output uncertain nonlinear systems with completely unknown control gain.
针对一类单输入单输出不确定非线性重复跟踪系统，提出一种基于完全未知控制增益的自适应迭代反馈控制。
Based on the results of the pretests, the target words were completely unknown to the participants in terms of the meaning, grammatical function, and sentence production aspects.
从前测的结果指出受试者对于主要单字的意义、用法一无所知，也无法造句。
The form and genesis of dark energy is almost completely unknown, but postulated as related to vacuum fluctuations similar to the Casimir Effect but generated somehow by space itself.
虽然目前对暗能量的形态和起源几乎完全未知，不过科学家认为它可能和空间本身所产生的真空起伏有关，或者说与卡西米尔效应有关联。
An adaptive iterative learning control approach is proposed for a class of single input, single output uncertain nonlinear systems with completely unknown high frequency learning gain.
针对一类单输入单输出不确定非线性重复跟踪系统，提出一种基于完全未知高频反馈增益的自适应迭代学习控制。
This paper proposes an improved version of the associative memory learning control system (AMLCS) for industrial processes with almost completely unknown but slowly time-varying dynamics.
对相联存储自学习控制系统(AMLCS)提出了一种改进方案，可用于动态特性几乎完全未知且慢时变的工业过程。
However, while Spaniards did put sugar, which was unknown to indigenous Americans, into chocolate beverages, this additive was not completely innovative.
然而，尽管西班牙人确实在巧克力饮料中加入了美国土著居民所不知道的糖，但这种添加剂并不是完全创新的。
A key activity in architectural estimation is differentiating between what's understood completely and what's ambiguous — and to clarify the potential complexity of the unknown components.
体系结构评估中的一项主要活动就是区分已经完全了解的内容和尚比较模糊的内容——并理清未知组件的潜在复杂性。
Suddenly, as if a voice say to me, the future life indeed is unknown, but not completely without traced, I will guide you in darkness.
顿时，仿佛有声音对我说，未来的人生的确是未知，但并不是完全无迹可寻的，我必在暗中指引你。
An unknown disease affected his brain so badly that he lost his memory completely.
一种莫名的疾病严重影响了他的大脑，使他丧失了全部记忆。
The early-warning model can distinguish the known sample data completely. After the preliminary use, the early-warning model can accurate distinguish almost the unknown sample data.
预警模型对已知的样本数据可以完全判别，在初步使用后对未知样本数据的基本判断准确。
The early-warning model can distinguish the known sample data completely. After the preliminary use, the early-warning model can accurate distinguish almost the unknown sample data.
预警模型对已知的样本数据可以完全判别，在初步使用后对未知样本数据的基本判断准确。
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