大提顿公园的叉角羚更值得注意，是因为它们的迁徙路线一成不变，并受到三个关键地点(“捕捉器地点”、“红山”和“漏斗”)的严重威胁。
The Grand Teton pronghorn are notable for the invariance of their migration path and the severity of its constriction at three critical spots, known as Trappers Point, the Red Hills, and the Funnel.
一个是我保持a恒定,那么当然b就会变化，因为这个宽是不变的。,那么当改变θ角时，高度增加了，从而这条边的长度增加了。
One is I keep a constant, and then of course b will have to change because if this width stays the same, then when I change theta, the height increases, and then this side length increases.
它按着既定的方式改变,因此当θ改变时，a保持不变，同时b改变,从而我们保持为直角三角形。
It changes in whatever way it has to change so that when theta changes, a stays the same while b changes so that we keep a right triangle.
本文综述了关于某些拓扑不变量，六角链的极值和排序问题的一些研究进展及进一步思考。
In this paper, some results and further considerations on the extremes and orderings of hexagonal chains with respect to some topological invariants are introduced.
在图像形态分类与识别系统中，不变性角点检测是很重要的预处理环节。
Invariant corner detection is a most important preprocessing step for image shape classification and recognition.
图27所示电路是一个幅值固定不变的三角波发生器。该电路产生频率可变的三角波信号，但其幅值与频率无关。
A constant amplitude triangular-wave generator is shown in Figure 27. This circuit provides a variable frequency triangular wave whose amplitude is independent of frequency.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
分析结果表明，只要锯料角不变化，则锯料量的变化对锯切表面粗糙度不起任何作用。
Results indicated that the surface roughness would not be effected by saw cutting amount as long as saw side clearance Angle wasn't changed.
实验结果证实了该算法角点定位的准确性、旋转不变性，具有一定的尺度不变性和抗噪声能力。
Experiments are performed to show that the proposed algorithm can locate corners accurately, is rotationally invariant, has scale invariant property and is insensitive to noise contamination.
该算法使用角作为图像匹配选取的特征，通过仿射不变处理，消除图像缩放、扭曲、旋转和平移等变化产生的影响，提高了特征匹配的精度和正确匹配率。
It selected corners as features, removed influence of image stretch, skew, rotation, and translation by calculating affine invariant, so matching accuracy and speed were improved.
通过负载扰动观测，依据系统结构不变性原理实时补偿变量马达摆角，实现系统的转速控制。
The variable motor swing Angle is real-timely compensated according to the structural invariability for speed control, through the load vibration observer.
深入研究了经典ICP算法的工作原理，分析了ICP算法的优点和局限性，进而提出了基于角特征不变量的配准算法。
The working mechanism of classical ICP algorithm is deeply studied, and its advantages and limits are analyzed. Registration based on angular-invariant is then proposed.
当入射角在一定范围内变化时，两束分开的光束的传播方向保持不变。
The propagating directions of the two splitting beams remain unchanged when the incident Angle varies in a certain range.
为了识别空间目标与气球诱饵，提出了基于光谱角时序不变性的红外目标识别方法。
The infrared target recognition method based on the invariance of spectral Angle in time sequence is put forward in order to recognizing spatial target and balloon decoy.
所有的地球同步卫星都在赤道上空35,785km高度运行，相对于地面观测者来说，它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
在导引头视场角不变的前提下，减小高度表阈值也能够避免障碍物对导引头视线的遮挡，有助于捕获目标。
If the view-area Angle of seeker is changeless, the reducibility of the threshold of altimeter will avoid that remora keeps out the LOS of seeker. This helps to capture the target.
而增加发射机的发散角则基本不影响接收到的信号功率。在其他参数不变的情况下，增大接收机或者发射机的仰角都减小了接收机的探测到的信号功率。
It is also indicated that decreasing either the apex Angle of transmitter or receiver makes the detecting of the weak scattering more difficult while other parameters remain the same.
为解决三维场景重建问题，通过改进目前特征匹配的不足，提出了一种基于角仿射不变的特征匹配算法。
To solve the problem of 3-dimensional scene reconstruction, and to improve the performance of present feature point matching, a matching scheme which is invariant to perspective deformation induced...
试验结果表明，增加每个角度下的射线数可有效提高重建质量，在射线数保持不变时，选择合适的投影角数能够获得较好的重建质量。
The result showed that increasing the number of rays for every projection view can improve the reconstruction quality effectively and choosing suit number of projection views ca...
试验结果表明，增加每个角度下的射线数可有效提高重建质量，在射线数保持不变时，选择合适的投影角数能够获得较好的重建质量。
The result showed that increasing the number of rays for every projection view can improve the reconstruction quality effectively and choosing suit number of projection views ca...
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