一个质子由三个带电的夸克通过强相互作用力结合而形成，它的半径是由电荷密度降到某一确定值的距离来确定的。
A proton contains three charged quarks bound by the strong force and its radius is defined as the distance at which the charge density drops below a certain value.
对于任何一个物体，都存在一个被称为史瓦西半径的临界半径，在这个半径以内的质量将形成一个黑洞。
For any object, there is a critical radius, called the Schwarzschild radius, at which its mass will form a black hole.
这是很容易形成正确的半径，钉焊接两端。
This is easily formed to the correct radii, tack weld both ends.
所有结构组件都在八十公里的“资源半径”内形成、铣削研磨、制造和建立。
All structural components are grown, milled, manufactured and erected within an eighty kilometre 'Radius of Resource'.
只要有可能，就会使用半径中断形成金属。
Whenever possible, radius breaks are used to form the metal.
运用爆炸冲击波理论，讨论了炮孔柱状装药爆破时的岩石粉碎区及其形成时间、爆腔半径及其扩胀规律。
According to the theory of shock waves, the smash district and its forming time, the blasting cavity radius and its expanding characteristics are all discussed in this paper.
缓和曲线推出，即曲率变化，稳步形成一条直线，以达到预期的半径。
Easement curve was introduced, whereby curvature changes steadily form a straight line to the desired radius.
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
介绍形成小圆角半径的圆孔翻边模具的结构特点，按体积不变的原则，推导了计算公式。
Die structure based on the process of forming small fillet radius is introduced, and deduced the formula according to the principle of volume invariably.
具有高正电荷，小离子半径的阳离子适合形成硬质玻璃，而那些低氧化态、大离子半径的阳离子则适合于形成软质玻璃。
The cations with high positive charge and small ionic radii are suitable to forming hard glasses, and those with low oxidation state and large radii are suitable to forming soft glasses.
这二者形成“回转半径”，具有克服抖动形成的许多惯性力的功能。
In both, the large "radius of gyration" means the shaking has a lot of inbuilt inertia to overcome.
计算还发现，当气泡接近它的最小半径处，气泡外围形成很薄的高压区，这个高压区域随后向外传播，这就形成冲击波。
We find that when the collapsing bubble approaches its minimum radius, a high pressure layer just outside the bubble is generated which gradually moves outward and subsequently forms a shock wave.
通过考察其附加原子半径大小，可以对附加原子与笼能否形成稳定的化合物提供预见性。
According to the radii of the added atom. general prediction is obtained for the formation of stable compounds of a…
在工作过程中，冲头与凹模切口的半径定位，确保形成所需的圆形，而不至于在圆边产生“缺口”。
The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
后来的数值模拟结果显示出，即使伴星的轨道半径大如海王星的轨道，它仍可汲取物质而形成吸积盘。
Later simulations show that even a companion with an orbit as wide as Neptune's could scoop up an accretion disk.
利用一切可能扩大公共绿地，基本形成500米服务半径的街区公园布局。
Every means possible will be tried to expand the public green land to basically provide a street park in every 500 meters block.
利用一切可能扩大公共绿地，基本形成500米服务半径的街区公园布局。
Every means possible will be tried to expand the public green land to basically provide a street park in every 500 meters block.
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