The directional shift of a semiconductor laser beam has been detected and the effect of optical devices on the stability of optical beam direction are discussed.
最后，通过进一步检测，初步研究了光学器件对光束方向稳定性的影响。
The method of cement slurry injection through big-shift directional drilling and its technological parameters used in Gaoyang Iron Ore Mine to seal underground water rushing are introduced.
详细介绍了高阳铁矿实施大位移定向钻孔注浆方法和工艺参数，其成功的经验对治理矿山井下突水淹井事故具有一定的参考价值。
The merit of both shift invariance and directional selectivity enables the complex wavelet to overcome the artifacts in the discrete orthonormal wavelet denoising.
由于复数小波具备平移不变性和方向选择性等优点，使得它在图像去噪中可以克服离散正交小波变换去噪中存在的毛刺现象。
The merit of both shift invariance and directional selectivity enables the complex wavelet to overcome the artifacts in the discrete orthonormal wavelet denoising.
由于复数小波具备平移不变性和方向选择性等优点，使得它在图像去噪中可以克服离散正交小波变换去噪中存在的毛刺现象。
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