Yarn density grating 纱线密度光栅
Linear Density Grating 线密度光栅
density grating 密度光栅
high density radial grating 高密度圆光栅
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Primary researches on the groove density variations of bending grating were experimented.
对压弯光栅的线密度进行了实验研究。
USES: linear density grating, through the refraction of light can quickly determined or knitting machine woven per cm or every inch of the yarn number within the root.
用途：线密度光栅，通过折射光可快速确定针织或机织物每厘米或每英寸内的纱线根数。
The series density formulae of the binary phase grating are obtained from the general complex amplitude transmittance formulae through Fourier integral.
它直接从位相物体振幅透过率的一般公式出发，运用傅里叶积分，求得二进制位相光栅各级衍射光强度的通式。
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