A giant composite image of the Milky Way's center has been taken by NASA's three Great Observatories - the Hubble and Spitzer Space Telescopes and the Chandra X-ray Observatory.
NASA的三架大型天文台——哈勃太空望远镜、斯皮策太空望远镜与钱德拉X射线天文台近日联合拍摄了一张银河中心区域的大型复合照片。
Today, accelerators producing X-rays, protons, neutrons or heavy ions can be found at every major medical center in the U.S..
如今,全美每个主要医疗中心均具备产生X光、质子、中子或重离子的加速器。
Figure 6 shows the display of the game board with an X now populating the center square.
图6显示了中心方格填充x之后的游戏面板。
A powerful X-ray blast drew the attention of astronomers to the event, located near the center of a galaxy about 700 million light-years from Earth.
强烈的X射线爆炸引起天文学家们的注意,它发生在到离地球大约7亿光年的星系中心附近。
Next, click Play X, then click the center square to see something like Figure 6.
接下来,点击PlayX 按钮,再点击中心格子,就可以看到如图 6 所示的画面。
You can also tailor ellipses using the ellipseMode function, which specifies whether the x,y location represents the corner (CORNER) or the center of the ellipse (CENTER).
还可以使用ellipseMode函数定制椭圆,它指定x,y位置是否代表了椭圆的角(CORNER)或中心(CENTER)。
Create new file 1280 x 1024 px. Create a rectangular selection in the center of the image, hit Q to enter quick mask mode.
建立一张1280*1024的白底画布.然后在画布中间用选框工具建立一个矩形选区进入快速蒙版模式(Q).
According to the Sunday Times, a study carried out by the Center for Work-Life Policy has revealed that 43 per cent of university-educated women from Generation X were child-free.
据《星期日泰晤士报》的报道,工作-生活政策中心开展的一项研究显示,X一代人中受过大学教育的女性有43%都没有孩子。
Like the Ares I-X and NASA shuttles, the towering Saturn V launched from the Kennedy Space Center in Florida.
就像战神i - X和NASA的航天飞机一样,土星五号的发射在佛罗里达的肯尼迪航天中心进行。
If your machine has a graphics card, the X server will start up and the Welcome Center will open automatically.
如果您的机器装有显卡,X服务器将启动,欢迎中心将自动打开。
Does the passage of Planet X usually coincide with the passage of our solar system through the galactic center?
是否行星x过境通常与我们的太阳系通过银河系的中心同时发生呢?
I have been reading about the effects of cosmic dust on earth's climate and wonder about the interactions of the cosmic dust from the galactic center with Planet X, the earth, and the Sun.
我已经在读有关宇宙尘埃对地球气候影响的书了,并想知道来自银河系中心的宇宙尘埃与行星x,地球,以及太阳之间的相互作用。
The Style X body design has special geometry and plate configuration to allow each plate to strike the stop pin in its center of percussion.
类型阀体结构具有特殊的几何结构和阀瓣配置,使得每个阀瓣撞击在其撞击中心的止动销上。
Astronomers have seen other similar X-ray blasts before, but never were able to pinpoint them at the center of a galaxy, where black holes lurk.
天文学家们以前曾经看到过其他类似的X射线爆炸,但是从未能够确定爆炸发生在星系的中心,也就是黑洞潜伏的地方。
Astronomers % have seen other similar X-ray blasts before, but never were able to pinpoint them at the center of a galaxy, where black holes lurk.
天文学家们以前曾经看到过其他类似的X射线爆炸,但是从未能够确定爆炸发生在星系的中心,也就是黑洞潜伏的地方。
Astronomers have seen other similar X-ray blasts before, but never were able to pinpoint them at the center of a galaxy, where black holes lurk.
天文学家们以前曾经看到过其他近似的X射线爆炸,可是年夜未能够确定爆炸发生在星系的中心,也就是黑洞暗藏的处所。
At the center of this image made by NASA's Chandra X-ray Observatory is a very young and powerful pulsar, known as PSR B1509-58, or B1509 for short.
在由美国宇航局的钱德拉X射线天文台提出这个图的中心是一个非常年轻和强大的脉冲星,因为的PS RB1509 - 58已知,或简称为B1509。
X inactivation starts at the X-inactivation center(XIC) and spreads throughout the chromosomes.
染色体失活开始于X染色体失活中心(XIC),然后传播到整条染色体。
C or F value, the X and Y coordinates of the center of a pixel at the up-left corner of the image, can be measured according to characteristic point in topographic map.
值为栅格图像左上角像素中心在地图上的X,Y坐标,其值可以根据特征点在地形图中的坐标量测获得。
So, switching the area, moving the area to the other side, I'll get double integral of xdA is the area of origin times the x coordinate of the center of mass.
那么,改变一下区域,把这块移到另一侧,我们得到对xdA的双重积分,是原点那的圆面积乘质心的x的坐标。
If I look at the definition of the center of mass, it's the average value of x.
由质心的定义可知,它就是x的平均值。
Microcomputer controlled electro-contact touch needle is used to find center of the hole in X orientation and measure diameter in Y orientation.
电接触探针在微机控制下,在X方向找中心,在Y方向进行孔径测量。
The Chandra X-ray image provides evidence that each galaxy contains a rapidly growing supermassive black hole at its center.
钱德拉所拍摄的图提供了每个星系中心都包含了一个超大质量的快速成长黑洞的证据。
A powerful X-ray blast drew the attention of astronomers to the event, located near the center of a galaxy about 700 million light-years from Earth.
强烈的X射线爆炸引起天文学家们的注重,它发生在到离地球年夜约7亿光年的星系中心四周。
A powerful X-ray blast drew the attention of astronomers to the event, located near the center of a galaxy 4 about 700 million light-years from Earth.
强烈的X射线爆炸引起天文学家们的注意,它发生在到离地球大约7亿光年的星系中心附近。
He's standing beside an X-1E at the NACA High-Speed Flight Station (now the Dryden Flight Research Center) at Edwards Air Force Base in Southern California.
他站在旁边的X - 1e中的NACA在高速飞行站爱德华兹空军基地(现在的德莱顿飞行研究中心)在南加州。
Astronomers studied NGC6240 because it produced unexplained bursts of X-rays that appeared to come from one of two nuclei at the galactic center.
天文学家之所以研究NGC6240,是因为发现该星系中心有两个核,此中一个不竭爆发出难以解释的X线。
The light alloy bridge is 25 percent stiffer than traditional designs and the X rail has a 50 percent lower center of gravity for smooth, precise operation.
轻合金桥架,较传统设计刚性提高25%,X向导轨重心降低50%, 从而保证了平稳、精确的运动。
These new sports are called "extreme sports" and all center on the "X-factor"...
这些新的运动叫做极限运动,他们都集中在极限这个要素上。
These new sports are called "extreme sports" and all center on the "X-factor"...
这些新的运动叫做极限运动,他们都集中在极限这个要素上。
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