Just after vaccinia infects a cell, it expresses two viral proteins on the cell surface, which marks the cell as infected.
牛痘刚感染一个细胞后，就在细胞表面显示出两个病毒蛋白，这表明细胞已经感染。
This article covered a lot of ground in a short space, and frankly, it only scratched the surface of what these two outstanding libraries have to offer.
本文在有限的篇幅内涵盖了很大的范围，坦白地说，这仅仅触及到这两个重要库的表面。
They are a series of surface piercings arranged up the back in two vertical columns.
由背部一组两列竖排表面穿环组成。
The images were taken two weeks ago from 13 to 15 miles above the moon's surface and show the landing sites for Apollo 12, 14 and 17.
照片是两个礼拜前在距月球表面13至15英里高度时拍摄的，拍摄到的内容还包括阿波罗12、14以及17号的着陆点。
This image consists of a compilation of two photos taken from about 9, 000 miles from Enceladus' surface when Cassini journeyed past that moon on November 2009.
这幅图片由“卡西尼”号2009年11月穿过土卫二时拍摄的两幅照片合成，拍摄时距离土卫二表面大约9000英里（约合14484公里）。
A chemical used to adjust the surface tension between two mediums.
用于调整两个介质之间的表面张力的化学物质。
It is measured by placing two electrodes on the surface of the test sample, applying a potential difference between them, and measuring the resulting current.
其测量方法是将两个电极放在测试样品的表面，在电极之间施加一个电位差，并测量产生的电流。
Common surface treatments can be divided into two major categories: treatments that cover the surfaces and treatments that alter the surfaces.
通常的表面处理可以分为两个主要类型：覆盖表面的处理和改变表面的处理。
Research of the surface modification for two kinds of silicon carbide mirror in common use.
两种常用碳化硅反射镜基底表面改性的研究。
As a way of reconciling these two facts, scientists have hypothesized that nearly all of the oxygen being produced was taken up by iron on Earth's surface.
为了调和这两个事实，科学家们假设，几乎所有产生的氧气都被地球表面的铁吸收了。
It will gather data from 56,000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56, 000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
The origin of the color differences is not yet understood, but may be caused by differences in the surface composition between the two terrains.
产生颜色差异的原因还不清楚，有可能是两种地形表面成分的差异造成的。
Whenever you do a surface integral for flux you have two parts of the story.
每当做通量的曲面积分时，你要做两件事。
And the way it will work is that you have to choose an orientation of a surface, which just means choosing one of the two possible unit normal vectors.
具体方法是，先给曲面定向，也就是选择两个单位法向量中的一个。
The surface of a section of Route 101, paved two years ago by McAdam Road Builders, is now badly cracked and marred by dangerous potholes.
92两年前由McAdam筑路公司修筑的101公路的一段，表面现已严重开裂，并存在危险的坑洼。
Two other miners stumbled to the surface hours after the blast.
其他2名矿工在爆炸几小时后蹒跚地走到了地面上。
A new look at the sun using views from two different spacecraft has put a big dent in the nagging mystery of why the sun's atmosphere, or corona, is millions of degrees hotter than its surface.
从两架航天器以不同视角对太阳进行的一项新观测，在很大程度上破解了为什么太阳的大气层——或者说是日冕层——的温度比太阳表面还要高上百万度这个让人困扰不已的谜团。
The Mariner spacecraft found that the surface of Mars, as well as that of its two moons, is pitted with impact craters formed by meteoroids falling in from space.
水手号宇宙飞船发现火星表面，还有它的两个卫星表面，都有由太空坠落的流星体造成的陨石坑。
Through my working processes I explore the transference of motion in space onto a two or three dimensional surface.
在创作过程中，我探索将空间运动转移至二维或三维表面。
Dreams of establishing a manned Moon base could become reality within two decades after India's first lunar mission found evidence of large quantities of water on its surface.
印度首次登月发现月球表面存在大量水的的证据，二十年内人类建立月球基地的梦想或许不再遥不可及。
According to studies, it actually takes two to three weeks for a pimple to emerge on the surface of your skin.
据研究，事实上，一个小痘痘要花两到三周时间才会凸显在你的皮肤上。
This unique category is comprised of two subcategories: items that you need to review with some regularity and those that need to surface only on a specific day in the future.
这个分类由两个子分类组成：那些你想要经常回顾一下的，还有那些你需要在将来某天面对的。
To build their macro-sized quantum processors, the Yale researchers evaporated aluminum onto a sapphire surface to create two conductive spots a third of a millimeter across.
为了建造这颗宏观尺寸的量子处理器，耶鲁学者们将铝气化后附着在一块蓝宝石表面，形成两个跨距为三分之一毫米的传导点。
In just two flyby encounters, MESSENGER has already greatly increased our knowledge about Mercury's surface features.
先后两次飞越水星，“信使号”已经大大提高了我们对于水星表面特征的认知。
Two surface heat-treatment processes, liquid nitriding and sulfurizing, are used to compare with the current production process of liquid carburizing, with other variables remaining constant.
两种表面热处理液体渗氮及渗硫工艺与现行生产上原采用之液体渗炭淬火处理工艺，在尽量保持其他可变数不变的情状下加以比较。
Here we don't have a notion of orienting the surface other than by precisely choosing one of the two possible normal vectors.
这里我们并没有曲面定向的概念，能做的就是，从两个法向量中选出一个作为正方向。
Here we don't have a notion of orienting the surface other than by precisely choosing one of the two possible normal vectors.
这里我们并没有曲面定向的概念，能做的就是，从两个法向量中选出一个作为正方向。
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