1) the second loosening
二次松散
2) twice dispersing
二次分散
1.
The magnetic particles prepared through coprecipitation suspend stably in the fluid of polydimethylsiloxane after twice dispersing,and so the polydimethylsiloxane based ferrofluid is prepared.
共沉淀法制备的磁性颗粒经二次分散后稳定悬浮于硅油中 ,得到了硅油基磁流体 。
3) double reflection
二次散射
1.
When PO(Physical Optics)method is used to calculate the scattered field of electrically large objects,the double reflection between two objects should be considered independently.
采用物理光学方法计算电大目标散射场时,模型间的二次散射场需要单独考虑。
4) double Compton scattering
二次散射
1.
Those main factors are discussed,they include: the initial velocity can enlarge the changed wavelength;the bound energy could reduce the changed wavelength;the double Compton scattering and the Compton scattering which produces two photons change the changed wavelength,and the changed wavelength is uncertain,complex and continuous.
康普顿散射中影响康普顿谱线位置的因素是十分复杂的,文章主要针对影响康普顿谱线位置的几个因素作了理论探讨,得出影响因素主要在于:电子具有初速度会增大散射波长的改变量;束缚能的存在要减小峰值波长的改变量;双光子散射和二次散射与谱线峰值位置的关系不大,二者对峰值波长的改变是不确定的、复杂的、在连续的范围内变化的。
2.
After compared with the experiments,they have concluded that the double Compton scattering and the Compton scattering producing two photons can occurr possibly in Compton scattering.
从康普顿散射的基本原理出发,基于能量、动量守恒定律和相对论效应,首先讨论了康普顿散射中的二次散射,得出波长的改变量不仅与散射角有关,还与入射光子的波长(频率)有关;其次讨论了产生双光子的康普顿散射,由于这种散射的复杂性,只选取了两种特殊情形来讨论,得出散射光子的频率不仅与两个散射光子的散射角有关,还与入射光子频率有关,单一频率的入射光子发生双光子散射后,散射光子波长的改变还可能是连续变化的;康普顿散射实验说明二次散射和双光子散射的发生是可能的。
5) secondary seed dispersal
二次散布
6) tow-stage discretization
二次离散化
1.
In order to solve the problem of classical rough sets theory in processing decision table\'s discretization with too many rules and low accuracy,tow-stage discretization method based on the greedy algorithm and the attribute value distribution is used in this paper.
为解决经典粗糙集理论在处理决策表离散化时规则数多、准确率低的问题,文中提出基于贪心算法和属性值分布率相结合的二次离散化方法。
补充资料：输出反馈(见线性二次型次优控制)
输出反馈(见线性二次型次优控制)
output feedback
3h日c卜口fon以以{输出反馈型次优控制。(output王eedbaek)见线性二次
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条