Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。
And when I am on the curve I am on the boundary of the surface, so there is a direction along the surface that is the curve and the other one is pointing into the surface.
当我在曲线上时，我是在曲面的边上的，所以一个是沿着曲面的边指，那个就是曲线的定向，另外一个就要指向曲面里面的那个方向。
The goal of the RSW is to wipe the surface of the windshield automatically (i.e., without user intervention) whenever droplets of liquid are detected on the windshield's exterior surface.
RSW的目标是无论任何时候挡风玻璃外表面检测到液滴时，都能够自动化的进行擦洗(无需用户干预)。
Imagine an elastic band stretched over the surface of an apple. The band can slowly shrink, moving as though it is slipping from the surface, until it becomes just a dot on the apple's skin.
试想一下，有一个橡皮圈箍在苹果的表面上，然后这个橡皮圈慢慢的收缩，就像从苹果表面上滑落一般的收缩，直到它变成了一个点。
All the lineaments which providence traces on the surface of a nation have their parallels, sombre but distinct, in their depths, and all convulsions of the depths produce ebullitions on the surface.
上苍刻画在一个国家表面上的线条，必有暗淡而明显的平行线，在它的底里的任何骚乱也必然引起表面的震动。
Diffuse color reflects light that comes from one direction, so it's brighter if it comes squarely down on a surface that if it barely glances off the surface.
漫射光色反射从一个方向来的光，因此对于径直照射的表面来说就比仅是光线斜射过的表面更为明亮。
For a sunspot to form on the solar surface, the magnetic field needs to attain a certain strength to push the surface plasma aside, exposing the solar interior as a cool spot — a sunspot.
在太阳表面，磁场强度必须强到能推开表面的等离子体，将温度较低太阳内部的暴露在外，形成一个太阳黑子。
That stands for the surface area element on this surface.
它表示曲面上的面积元素。
New Horizons obtained data on Europa's surface composition and imaged subtle surface features, and analysis of these data may provide new information about the ocean and the icy shell that covers it.
“新视野”号从木卫二地表成分中分析得出数据，并得到更精细的地表特征图片；这些数据的分析结果可能提供出更多有关冰盖和它下面的海洋的信息。
There's a huge microbial biosphere hidden beneath the surface of the earth - possibly comparable in biomass to the plant life we can see on the surface.
地表之下存在着一个巨大的微生物圈——其生物量可能相当于我们在地表能看到的植物的生物量。
They like to sunbathe, can't blame them. They just lay out on the surface of the sea and most people think they're sick or lazy, but that's a typical behavior, they lie out and bask on the surface.
不能责备它们，它们只是摆平了浮在海面上，而大多数人以为这是病态或懒惰，但这只是一种典型的行为，它们就是喜欢摆平了在海面上晒太阳。
The efficiency of this process depends on the surface area of the sorbent, and an easy way to increase the surface area is to spray a liquid sorbent into the air as a fine mist.
这一过程的效率取决于吸收材料的表面积，我们可以通过将液态的吸收剂以细水雾的形式喷入空气中，就能轻松的扩大接触面积。
The oil slick appeared as a tangle of dull gray on the ocean surface, made visible to the satellite sensor by the sun's reflection on the ocean surface.
浮油区在海面上呈现为一团暗灰色，因为海面对太阳光的反射才使卫星传感器能够发现它。
A positive charge applied on the top surface of the ink will allow the white to show, making the surface as white as a sheet of paper.
加上墨水表面上方的正电荷将使白色显现出来，使表面像一张纸那样白。
Surface foam has gas bubbles only on the surface of the liquid, whereas body foam has gas bubbles throughout the liquid.
面泡沫中的气泡仅分布在液体表面，而体泡沫中的气泡遍布整个液体。
This paper analyze the influence of grinding wheel surface characteristics and dressing on grinding roughness of surface.
本文分析了砂轮表面特性和修整对磨削表面粗糙度的影响；
Cleaning and disinfecting things like desks and doorknobs can play a role in protecting us, he says, but 'focusing on one surface misses the point, because no surface is not germy.'
他说，清洁并为桌子和门把手等物体进行消毒在保护我们也发挥著作用，不过只专注于一个表面就错了，原因是任何表面都有细菌。
The sensor shall be mounted on object surface, by fixation of screw thread or flange, and ensure firm contact with the equipment surface.
传感器采用贴面形式安装在物体表面，固定形式为螺纹或法兰，并确保与设备表面接触严密。
Spread the diluted glass detergent evenly on the surface of glass by the spreading head, to clean out surface spots completely.
用喷头将稀释过的玻璃清洁剂均匀的喷洒在玻璃上，使之彻底清除表面的污点。
A novel passivation technology of porous silicon (PS) surface, i. e. , depositing diamond film on the PS surface by microwave plasma assisted chemical vapor deposition (MPCVD) method, was developed.
提出了一种新颖的多孔硅表面钝化技术，即采用微波等离子体辅助的化学气相沉积（MPCVD）方法在多孔硅上沉积金刚石薄膜。
Double integral of F.dS or F.ndS if you want, and to set this up, of course, I need to use the geometry of the surface depending on what the surface is.
就是做F·dS或是F·ndS的二重积分，为了能建立积分，需要用到曲面的几何性质，这与该曲面的类型有关。
Root hairs feed from the surface particles, therefore the internal surface area has a great influence on plant food in the soil.
根毛从土粒表面吸收养分，所以，土壤的内表面积对土壤中的植物养分有很大影响。
The glass surface reflects the natural light from the patio space, producing attractive shades on the ceiling surface.
玻璃面反射庭院内的自然光，照下中庭空间，在天屋顶平面上产生动人的光影。
One is to create a rough structure on a hydrophobic surface, and the other is to modify a rough surface by materials with low surface free energy.
一般情况下，超疏水表面可以通过两种方法来制备：在疏水性表面构建粗糙结构或者在粗糙表面修饰低表面能物质。
Cells in the cell membrane there are many different signs, mainly on the surface and surface antigen receptor.
细胞的细胞膜上有许多不同的标志，主要是表面抗原和表面受体。
From the architect. The surface light rail glides smoothly to the surface on two lanes of steel, without making much noise.
来自事务所的描述：在不会制造很大的噪音的情况下，地面轻轨通过两条钢制轨道平滑地驶出。
Hone not FINISHED: Defect on honed surface; finish ground surface not cleaned up adequately by the honing operation.
珩磨未完：珩磨表面的缺陷，磨加工过的表面通过珩磨工艺没有变得足够光洁。
The wave soldering process may advance welding on the surface mount components damage. Now a lot of circuit board with surface mount components.
采用波峰焊工艺可能会对先期焊接的表面贴装元件造成损伤。现在很多电路板上以表面贴装元件为主。
The wave soldering process may advance welding on the surface mount components damage. Now a lot of circuit board with surface mount components.
采用波峰焊工艺可能会对先期焊接的表面贴装元件造成损伤。现在很多电路板上以表面贴装元件为主。
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