其次分析影响相位光栅对准标记衍射效率的主要因素槽深、占空比和反射率；
Alignment signal of phase grating alignment mark and the factors of influece of alignment signal are analysed secondly;
从实验的结果来看，这种方法能够对对准标记达到很好的边缘定位，提高了对准精度。
From the results of experimentation, the method can make the mark image edge achieve good edge localization and improve the alignment precision.
对准传动轴和轭上安装参考标记，安装传递轴。
Align the installation reference marks on the propeller shaft and yoke and install the propeller shaft.
投保而弯曲的大会，折弯机对准定位标记保持与箭。
Insure while bending the assembly that the alignment marks maintain alignment with the bender arrows.
特别是在高QTL效应和低遗传力的情况下标记辅助BLUP的优势最为明显，个体遗传评定的相对准确性增加幅度也最大。
However, with the increase of QTL effect, the relative advantage of the MBLUP improved correspondingly, especially in the case with low heritability and high QTL effect.
特别是在高QTL效应和低遗传力的情况下标记辅助BLUP的优势最为明显，个体遗传评定的相对准确性增加幅度也最大。
However, with the increase of QTL effect, the relative advantage of the MBLUP improved correspondingly, especially in the case with low heritability and high QTL effect.
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