查询词典 unknown

The origin of stenosis of the aqueduct is often unknown, although specific causes of aqueductal stenosis do exist.

导水管狭窄的原因往往不明，尽管确实存在导水管狭窄的特定的原因。

In the finite spring element ,the translation and rotation of arbitrary points of an arbitrary-shaped element is taken as the basic unknown,the action of the virtual spring mesh between the elements is then used to evaluate the deformation energy within the elements.

有限弹簧元以任意形状单元的任意点的平动与转动位移作为基本未知量，用单元间虚拟弹簧网的作用功评价其内部变形能，在模拟非均质、非连续性的材料或结构的受力过程时具有较好的应用前景。

The theory and approach are introduced, and the general expression containing arbitrary parameter is obtained for the feedback gain matrix. This method changes the problem of multi-input system to several problems of single-input. The number is the cycle index of system matrix. Compare with some known results, this method put forward that the least number of unknown entries of the feedback gain matrix is the order of the system matrix.

汽配置问题，得到了反馈增益矩阵的一般表达式，此表达式中含有任意参数，此方法将多输入线性系统极点配置问题转化为个数为系统矩阵循环指数的单输入系统的极点配置问题，进而推导出确定一个反馈增益矩阵的最少元素个数即为系统的阶数。

Scottish Rugby - What is unknown about this new offer is whether the chip shop in Arbroath that came to national prominence for selling smoked fish ice cream honestly!

苏格兰橄榄球-什么是未知之数约这一新的提供是否晶片店a rbroath跑到国家突出卖熏鱼冰淇淋

Simulation results show that the arithmetic can improve the learning speed of robots and satisfy the time need of multi-robot complex foraging task in unknown environment .

仿真实验结果说明所提方法加快了学习速度，满足了未知环境下多机器人复杂搜集任务的要求。

Since the transmitted data from each antenna is first pre-processed and then arithmetically added onto the training sequences, thus the influence of the unknown data to the channel estimation existed in normal implicit method can be cancelled.

由于每根天线的发射数据经过预处理后再算术叠加到训练序列上，从而消除了传统隐含估计方法中未知数据对信道估计性能的影响。

It was there that I encountered large mutants, armed with weapons of an unknown origin.

在那里，我遇到大的突变体，与来源不明的武器装备。

Letters came, with armorial seals upon them, though of bearings unknown to English heraldry.

寄来的信件上印有纹章，不过那是英格兰家系上所没有记载的。

I think the concern is the unknown really, said Armour.

我认为真正关心的是未知的，说：装甲。

At least one T-40 was captured by the Romanian Army during the Russian campaign, appearing an an Army roster list dated November 1st 1942; subsequent service unknown.

罗马尼亚人至少俘获了一辆T40坦克，并列在1942年11月的清单上，接下去的服役情况不详。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。