未知

An artificial neural network model is developed to describe the relationship between the EDG grinding parameters and the surface roughness of diamond woodworking cutter .

建立了金刚石木工刀具电火花磨削工艺参数和表面粗糙度关系的人工神经网络模型，该模型对未知工艺条件下的预测结果最大误差为8.27%，具有较高的预测精度。

The distribution function of the system response and state function is approximately determined by the standard normal distribution functions using Edgeworth series, and its reliability is obtained.

在结构系统响应和状态函数的前四阶矩的一般数学表达式的基础上，使用 Edgeworth级数把未知响应和状态函数的概率分布展开成标准的正态分布表达式，并放松了对随机参数的分布概型和激励类型的限制，从而确定了系统的可靠度

People who deny the existence of space which are not lighted by the "electric torch" and have no respect and fear to the dark and unknown space will never be in the state.

不承认没有被手电筒照亮的空间的存在，对黑暗的空间、未知的领域没有敬畏之心的人，是不可能进入这种"创新状态"的。

The part of the world we know is just as limited as the area an electric torch covers in the dark, while the rest part of the whole world remains unknown.

我们已知的世界就像黑夜中手电筒照亮的空间一样有限，未知部分是除了手电筒照亮空间之外的整个世界。

The unknown capacitance is connected in series with the electrometer input and the step voltage source.

将未知电容与静电计输入和步进电压源相串联。

A new method which utilize the data of electrometric titration of the known acid to establish a multiple-unit linear regression math model is proposed for the analysis of the liquid propellent in order to overcome the shortcoming of accuracy lower in available analyzing method and requiring more precious instruments in neural network method.

该方法利用已知酸的电位滴定数据建立多元线性回归数学模型，利用化学因子分解该模型，对未知样进行浓度测定。

The ellipsoidal coordinates are introduced to solve the unknown displacement and electric potential jumps in the integral equations under uniform loading.

引入椭球坐标系后，得到了均布载荷作用下未知位移间断和电势间断的解析解。

This is a kind of evolutionary elliptic free boundary problems, in which the free boundary changes with time and at each fixed time the unknown function satisfies a boundary value problem for an equation of elliptic type.

详细本文分两部分。第一部分讨论拟定常电加工问题。这是一类发展型的椭圆自由边界问题，其自由边界依赖于时间的变化而不断演化，在每一固定时间，未知函数满足椭圆型方程的边值问题。

The long-awaited follow-up to the acclaimed Copia, Eluvium takes a courageous creative leap with Similes, an 8-song album featuring three key musical elements previously uncharted by Eluvium: percussion, a verse-chorus song structure, and singing.

人们期待已久的赞誉Copia，Eluvium需要勇敢的创造性的跳跃和明喻、一个8-song专辑具有三个关键元素被Eluvium先前未知，verse-chorus歌：打击乐结构、唱歌。

According to the Takens embedding theorem, the nonlinear time series combined with system output is converted into discrete dynamic system.

摘要对模型未知非线性系统，将系统输出组成时间序列并通过空间嵌入的方法转化为一个离散动态系统。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。