不变

The ground beneath us, however, appears solid and unchanging.

然而，我们脚下的地面却似乎是坚实而恒久不变的。

《柯林斯高阶英汉双解学习词典》

In the 19th century, the German mathematician Gordan and Hilbert studied the theory of algebraic invariants. In 1962, Hu proposed his famous seven moment invariants, who firstly introduced moment invariants in pattern recognition.

在19世纪，德国数学家Gordan和Hilbert曾经细致地研究了代数不变量理论；1962年，Hu将矩不变量第一次引入模式识别中，提出了7个著名的不变量。

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Our direction and tasks will remain unchanged, though we will be more prudent in our work.

我们的方向不变,工作不变, 但我们会做得更谨慎.

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What they seem to want to do in fact is fossilize the particular environment in which people live and work.

他们似乎想要做的实际上就是让人们生活和工作的环境固定不变。

《柯林斯高阶英汉双解学习词典》

The territory of a cat only remains fixed for as long as the cat dominates the area.

猫的地盘只在它占据那个地方的时候是固定不变的。

《柯林斯高阶英汉双解学习词典》

This process, however, was not invariable.

但是, 这个过程并非始终不变.

《简明英汉词典》

This method mainly uses contour corner, angle bisector of corner and an invariant feature point relative to angle bisector.

该方法主要利用了轮廓角点、角点的角平分线和轮廓上与角平分线相对不变的特征点来构造不变特征区域。

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The average speed of all molecules remains the same as the temperature is constant.

只要温度不变,分子的总平均速度也就不变.

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Other things being equal, most tenants would prefer single to shared rooms.

如果其他条件不变，大多数房客都愿意住单人间而不会选择与他人同住。

《柯林斯高阶英汉双解学习词典》

If living creatures can indeed evolve, then human nature cannot remain unchanged.

,如果生物真会进化, 人性就不能永久不变.

汉英文学 - 现代散文

Wisdom lies neither in fixity nor in change, but in the dialectic between the two.

智慧不在不变,也不在恒变, 而在不变和恒变之间的辩证之中.

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These descriptors are invariant under translation, rotation, and scale, but variant under affine and projective transformation. Five-point invariant descriptor is a contour presentation method and consists of a series of five-point invariants.

这些描述子在相似变换下，能够保持平移、旋转、尺度不变，但在仿射投影变换情况下则不再保持不变性。五点不变量描述子也是一种描述轮廓的方法。

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A group of projective invariants was derived based on the cross ratio of five coplanar points, and used to recognize planar polygons. Experimental results show that the invariants have projective invariance and can be used to recognize planar polygons effectively.

利用共面五点的交比，导出一组用于识别平面多边形的射影不变量，用这组不变量实现平面多边形的识别，实验结果表明，这组不变量具有射影不变性，可以有效地识别平面多边形。

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The bank left its lending rates unchanged.

该银行的贷款利率保持不变。

《柯林斯高阶英汉双解学习词典》

We investigated the dilepton production in the low and intermediate mass region in central collisions at the RHIC energy.

我们研究了RHIC能量下Au+Au对心碰撞在低不变质量区域和中等不变质量区域的双轻子的产生。

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All things being equal, should it matter who earns most money?

如果一切不变，谁赚的钱最多有什么关系吗？

《柯林斯高阶英汉双解学习词典》

The diet should be maintained unchanged for about a year.

这样的饮食应保持约一年不变。

词典精选例句

According to the theory of moral change, Zhou Zuo-ren criticized the theory which showed morality was changeless.

据文化人类学的道德变动论，周作人分析了诸多以道德不变论为核心的道德现象，批判了天不变道亦不变的旧伦理观念。

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The panel says the ground rules for the current talks should be maintained.

专家组称目前会谈的基本原则应该保持不变。

《柯林斯高阶英汉双解学习词典》

Train fares are likely to remain unchanged.

火车票价很可能会保持不变。

《牛津高阶英汉双解词典》

The paper chiefly discusses affine invariant moments and the ANN application in the pattern recognition, even simulating the classifier with the BP net and BPX arithmetics. It uses three-order affine invariant moments as characteristic to recognize the aeroplane image.

主要讨论了仿射不变矩及人工神经网络在模式识别中的应用，即使用BP网及BPX算法来模仿分类器，同时提取图像的3阶仿射不变矩作为特征输入建立对飞机图像的识别系统。

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The squeezing quantity maintenance is invariable, therefore the cake and soybean oil S & D quantity maintains invariably.

压榨量维持不变, 所以豆粕和豆油S & D数量均维持不变.

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To be accidental and take for granted. So you must, Suiyuan unchanged, unchanged Suiyuan.

来是偶然的,走是必然的.所以你必须, 随缘不变, 不变随缘.

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Do we still have any fixed point of reference in the teaching of English?

我们在英语教学上还有固定不变的参考标准吗？

《柯林斯高阶英汉双解学习词典》

It is unchangeable and permanent.

这是持久不变的.

《简明英汉词典》

'Yes, sir, if the weather holds and the wind sets tolerable fair.

“ 有的, 先生, 若是天气不变,而且风向有利的话.

英汉文学 - 双城记

What we see at Westminster is a tired old ritual.

我们在威斯敏斯特教堂看到的是一种经年不变的古旧仪式。

《柯林斯高阶英汉双解学习词典》

Of classical geometric invariants and the gray-scale invariant, invariance analysis of its degradation.

对经典的几何不变量和灰度不变量, 分析其退化不变性.

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By making use of the basic invariant, the squeezed states and squeezed number states for this time-dependent system are also constructed.

文中研究了广义含时谐振子系统的不变量和不变量的一般形式，并利用基本不变量构造了此含时系统的压缩态和压缩数态。

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First, we establish the data items of variational optic flow computation, which can effectively calculate optic flow under six cases, such as brightness constancy assumption, brightness gradient constancy assumption and brightness divergence constancy assumption and so on.

首先建立了变分光流计算的数据项，能有效地计算光亮度不变、光亮度梯度不变、光亮度散度不变等假设前提下光流场计算的6种情形，推导了数据项设计的策略和方法。

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