Theθ-subsumption induces a quasi-order(reflexive and transitive)on the space of first-order rules.
一阶规则空间中的θ-包容序是一个quasi-order序(自反的和传递的),采用通常的基于规则覆盖例子数目的评判标准,沿着这个quasi-order序挖掘一阶规则时,存在一阶规则的等价类问题,严重地降低了算法的搜索效率和规则的可读性。
POSM (Parallel-Optical Stage Master Osciillator Power Amplifier)
并行光阶段主振荡器功率放大器
fifth-order aberration
【光】第五阶段像差
Study on Photothermal Deflection Technique with Step Optical Excitation
阶跃光激励的光热光偏转技术的研究
The four stages against pirated compact discs
打击盗版光盘四个阶段
step graded index lightguide
阶梯折射率剖面光波导
SPECTROPHOTOMETRY OF N HER 1963 IN ITS NEBULAR STAGE
武仙座1963年新星星云阶段的分光光度
Aligning and testing of optical system of echelle spectrography
中阶梯光栅光谱仪光学系统的安装及检测
Investigation on pulse compression of high-order solitons in optical fibers with quintic nonlinearity
五阶非线性光纤中高阶孤子的压缩特性研究
In soft-photon approximation, the average excitation energy only appears in the first and second order terms of field frequency.
在软光子近似下，平均激发能仅出现在光场频率的一阶和二阶项上。
At present most attention has been focused on SHG/THG nonlinear material and fluorescence material.
目前研究较多的是二阶／三阶非线性光学材料以及荧光材料。
DERIVATIVE UV SPECTROPHOTOMETRIC DETERMINATION OF NORFLOXACIN EAR DROPS
诺氟沙星滴耳液的一阶导数分光光度测定
Photoluminescence Mechanism and Third-order Nonlinear Optical Properties of Porous Silicon;
多孔硅的发光机制与光学三阶非线性研究
Study on simultaneous determination of copper and zinc by first derivative spectrophotometry;
一阶导数吸光光度法同时测定铜和锌的研究
Optical Basicity and Third-order Nonlinear Optical Susceptibility in Glasses
玻璃光学碱度与三阶非线性光学极化率
Measurement of spectrum loss of large-core optical fiber
大芯径石英阶跃光纤光谱损耗测量研究
Corrugated High-order Bragg Grating on Silicon-on-insulator Ridge Waveguides Fabricated by Photolithography
高阶布拉格光栅在SOI脊形波导上的光刻制作
First-order theoretical model for laser guide star adaptive optics system
激光导星自适应光学系统一阶理论模型
Determination of transmittance for low rank coal
GB/T2566-1995低煤阶煤的透光率测定方法