The method of counting for circular ring objects in frequency domain is proposed.
研究了用频域法实现圆环形目标物计数的方法。
We give a new characterization of weakly primary rings with identity and conditions that a weakly primary domain is a valuation ring or quasi-valuation ring.
本文给出了有单位元的弱准素环的一个新刻划并给出了弱准素整环是拟赋值环或赋值环的条件。
Introduce the new concepts of weak domain, weak principal ideal ring and weak Euclidean ring.
引进了弱整环、弱主理想环、弱欧氏环等概念，研究了环的直和保持的一些性质。
It mainly discusses units, prime elements, factorization, the properties of residue class ring of quadratic domain in the paper.
主要讨论了二次整环的单位、素元、因子分解、二次整环的剩余类环的性质等问题。
It is also proved that a coherent connected ring with finite weak global dimension is a domain.
也证明了弱整体有限的凝聚环是约化环，以及弱整体为有限的凝聚连通环是整环。
The proposed structure mechanism is based on coupling between a waveguide and a ring resonator. This structure is designed and verified by finite-difference time-domain (FDTD) computation.
该器件的结构原理是基于一个波导管和一个环形共振器之间的耦合，并用时域有限差分法设计和验证了该结构。
Several properties of adjoint matrix over an arbitrary ring and obtain some results over domain are given.
讨论了交换环上伴随矩阵的若干性质，给出了整环上的一个主要结论。
Several properties of adjoint matrix over an arbitrary ring and obtain some results over domain are given.
讨论了交换环上伴随矩阵的若干性质，给出了整环上的一个主要结论。
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