1) conical semigroup
锥形半群
2) conical lattice-ordered idempotent monoid
锥形格序幂等元么半群
3) semi-tapered fiber
半锥形光纤
1.
A new structure as tapered and semi-tapered fiber is used in this method, which has the advantage of easily manufacturing, simply packing, low cost and high coupling efficiency and is based on the characters of the laser diode and the fiber mode field.
本论文就半导体激光器与光纤耦合的问题提出了一种新方法，即采用锥形和半锥形光纤结构的光学耦合系统。
4) rectangular semigroup
矩形半群
5) rectangular u-semigroups
矩形u-半群
1.
The paper showed that a semigroup S was a normal orthocryptou semigroup if and only if it was a strong semilattice of rectangular u-semigroups.
本文我们证明了半群S是正规纯正密码半群当且仅当它是矩形u-半群的强半格。
6) sphenoidal group
半面晶形群
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