1) domain switching
闭域
2) blind zone
闭域空间
1.
Research on coupling loss of leaky coaxial cable in blind zone;
闭域空间中泄漏同轴电缆耦合损耗的研究
2.
Owing to the advantages of uniform coverage on the radiated field, strong adaptability and little electromagnetic pollution on the environment, LCX is recently widely used in communication systems in the blind zone such as mines, tunnels, subways and so on and it has already extended to the indoor communication systems.
由于其场强覆盖均匀、适应性强、电磁污染小等优点，漏缆近年来已经广泛应用于矿井、隧道、地铁等闭域空间的通信系统中，并且已经渗透到了室内无线通信系统中。
3) closure
封闭域
4) simple closed region
简单闭域
1.
Based on topologic relation of point and simple closed region,an algorithm is presented to do the inclusion test for simple closed region.
基于点与简单闭域的拓扑关系,重新定义了“穿越边界”,设计了点与简单闭域关系判断的算法。
5) smallest closed area
最小闭域
1.
Based on topologic invariability and calculability of tangent angle of Gauss parabolic lines end-point,an algorithm of computing smallest closed area in the free-form surface s Gauss map is designed.
基于拓扑不变性和抛物线端点处可求切线,设计了一个高斯图闭域网中最小闭域计算算法,利用多边形逼近抛物线段的特点,改进多边形包含测试算法来实现闭域包含测试,可将高斯图闭域网分解成最小闭域集———单类型区域。
6) algebraically closed field
代数闭域
1.
In this paper,we discuss the classification of 3-dimensionally commutative algebras on algebraically closed field.
研究了代数闭域上三维交换代数的分类。
2.
A theorem of integral divisibility for multivariate polynomial ring C[x 1,x 2,…,x n] on complex number field is given in [1], this paper extends the theorem to the case of k[x 1,x 2,…,x n] , where k is any algebraically closed field.
[1 ]给出复数域C上多元多项式环 C[x1 ,x2 ,… ,xn]的一类整除性定理 ,本文把它推广为任意代数闭域 k上多元多项式环 k[x1 ,x2 ,… ,xn]的情形 。
参考词条
补充资料：代数闭域
代数闭域
algebraically closed field
代数闭域【aigeb面回lyd姗d云eld“别.‘钾坪长。.3洲-幻乃7T此助月e] 域k.其l二的任何非零次多项式在丸中至少有个根.事实上，由此可推出一个代数闭域k上的任何。次多项式在k中恰有n个根，也即多项式环k【习中任不可约多项式都是一次的.域人是代数闭的，当且仅当它没有真的代数扩张(见域的扩张(extens，on of a field))·任何域k都有唯一的(仅差一同构)代数闭的代数.扩张;称之为k的华攀甲粤(al罗bra，e dosure)，通常用k表示.包含人的任何代数闭域都包含一个与万同构的子域. 复数域是实数域的代数闭包.这就是代数学基本定理(algebra，fundamental重heorem of).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。