1) skew difference family
斜差族
2) difference family
差族
1.
Combinatorial designs is an important branch of Combinatorial mathematicas,and it is widely used in cryptography and coding theory [1],introduces two new types of combinatorial designs,which are called External difference family(EDF) and External balanced incomplete block design(EBIBD),but it does not give detailed research on these two designs.
文献[1]定义了两种新的组合设计:外差族(EDF)和外平衡不完全区组设计(EBIBD),但是该文献并没有对它们做出详细的研究。
2.
The necessary and sufficient conditions for the existence of a(gv,g,3,λ)-Mendelsohn difference family in Zgv are established.
差族是组合设计理论中一类十分重要的设计,利用差族可以有效地构做其他各类设计。
3.
The existence conditions of the(q,3,λ)-difference family were given.
给出了λ≤3时(q,3,λ)-差族存在的条件。
3) bias amout of deflection
倾斜偏差
1.
Make with the centre device is a kind of device that measure radial and bias amout of deflection to not demolish equipment,define adjusting way for equipment.
定心偏差仪就是在井下现场不拆分设备的情况下测量电机轴与减速器高速轴的径向偏差值与倾斜偏差值,确定对设备的调整方法。
4) error slope
误差斜率
1.
On the basis of introducing effects on missile system stability and miss distance by boresight error slope induced by seeker radomes,as well as formulas and methods to calculate the radome boresight error slope.
在介绍导引头天线罩误差斜率对导弹系统稳定性和脱靶量的影响,以及根据天线罩瞄准误差测量数据计算误差斜率的公式和方法的基础上,讨论了天线罩误差斜率计量结果的不确定度,对天线罩误差斜率数据的可信度作出评估。
5) tilt error
倾斜误差
1.
In this paper, according to the characteristics of central projection, aerial photographs were analyzed to discuss displacement of images under tilt conditin or caused by ground undulation, based on which the principles of tilt error and projection error were summarized.
根据中心投影的特性，论述了像片在倾斜条件下所引起的像点位移和像片因地面起伏而引起的像点位移，在对其进行分析的基础上总结出倾斜误差和投影误差的规律，从而说明了不能把像片当作地形图使用。
6) oblique error
倾斜误差
1.
Also discusses the oblique error measurement method of dial instrument.
本文还讨论了指针式仪表倾斜误差自动测量方法。
补充资料：差差
1.犹参差。不齐貌。
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