Often, scientists see large chunks drifting in polar seas, and then have to work backwards to figure out the point of origin.
通常来说，科学家们都是先观测到极地洋面漂浮着大面积冰块，之后再追溯它原始的形成过程。
And then I could do things like again, say, okay having done, that let me just run it here, run that, so I've now got polar point 1, and polar point 2.
然后给它们赋值半径和角度，然后我可以进行刚才的操作，也就是说，对刚才的笛卡尔坐标进行的操作，让我们来运行下它吧，运行下，现在我有一个极坐标点。
the same as polar point 2, polar point 1 And then I could say well, gee, are they the same point?
和另外一个极坐标点，我如果来试试，和polar，point，2是不是相同的话？
Magnetics are by definition polar. Crystalline energy is non-polar, zero point!
磁性被定义为极性的，水晶能量是非极性的——零点！
So for example I defined p, remember back over here, as a Cartesian point, but I can actually ask for its polar form.
我可以要求返回它的极坐标形式，这里对我是可访问的，好，这很棒，请再记另外一个为什么。
High in the polar regions, the lines of magnetic force point almost straight upwards.
在极地的高空，磁力线几乎是垂直指向上方。
The point is that the two types of chemicals are polar opposites.
也就是说，酸和碱是两种完全相反的化学物质。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
极坐标是关于r，θ的,用r，θ代替平面上一点的x，y坐标，是从原点到那一点的距离，，which，is，the，distance，from，the，origin，to，a，point，θ是由x轴逆时针旋转,而得到的夹角。
"Small" means that the physical dimensions are small compared to the wavelength being radiated or that the shapes do not interfere with the polar response of the point source.
小指的是物理维度和其辐射的声波相比很小，或者其外形不会和该点声源指向性响应发生干扰。
Experimental results point out that the said copolymer electret film is a polar material, i. e. there exist both oriented dipoles and deposited space charges in the film after charging.
实验结果说明，拉伸前后的这类共聚物薄膜均是极性材料，即充电极化后的材料内部同时存在取向偶极子和俘获空间电荷。
With the widespread of the range finder and computer, it is advantageous to measure the point location of the curve by the polar coordinates.
随着测距仪，全站仪和计算机的广泛使用，利用极坐标法测设曲线各点点位较为方便。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
本文用极坐标法放样，讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。收藏。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
本文用极坐标法放样，讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
Through polar coordinate method error calculus demonstrated that the setting-out point error is mainly caused by Angle measurement error.
通过对极坐标法误差的计算论证了放样点误差主要是由测角误差引起。
A method of surveying a complete curve in polar coordinate system by only changing instrument position and back viewing point are introduced in this paper.
本文提出了一种仅变换置镜点和后视点坐标而达到置镜任一点极坐标法测设整条曲线的方法。
ASE can extract the substances such as acids. terpenes, aldehyde ketones and the big polar alcohols with low boiling point as well as the high boiling point.
ASE除了萃取低沸点的萜类外，还有高沸点酸类、萜类、醛酮类和大极性醇类。
Another reason I wanted to point this out in terms of the polar coordinates that we're using, is I think they're actually flipped from what you're used to seeing in physics.
另一个我想指出，我们采用极坐标的原因是，我认为它们实际上是，从你们习惯于看到的物理学中出来的。
Through polar coordinate method error calculus demonstrated that the setting-out point error is mainly caused by Angle measurement err...
通过对极坐标法误差的计算论证了放样点误差主要是由测角误差引起。
The key point to prepare glass fiber re-enforced polypropylene composite(PP/GF)is to improve the interfacial strength of non-polar polypropylene and polar glass fiber.
研制高性能的玻璃纤维增强聚丙烯复合材料的关键是提高非极性的聚丙烯和极性的玻璃纤维的界面粘结强度。
Environmental problems and global changes are the hot spots that nowadays people pay attention to. Polar region is special from geographical point of view.
全球气候变化和环境问题是当代人们共同关注的热点。
The pour point depressor is soluble in nonpolar solvent and insoluble in the relatively polar solvent.
此降凝剂能溶于非极性溶剂，不溶于极性较强的溶剂。
The pour point depressor is soluble in nonpolar solvent and insoluble in the relatively polar solvent.
此降凝剂能溶于非极性溶剂，不溶于极性较强的溶剂。
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