M型超声霉l导下鹣雷旁左室长辘切蟊测量左房前磊径（LAAPD），二维超声 下心尖四腔切面测量左房上下径（LASID）和左右径（LAMD），左房内径均在 收缩末期溯量获得；餐取心尖四黢、二腔动态图像3个心动周耀，采用双平霞 Simpson法测量左心室舒...
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在冠状面和横断面上测量正常视神经整体的上下径和横径。
Vertical and transverse diameters of the optic nerve were measured on MR scanner.
平纹编织：每根径丝交叉地在每根纬丝上下穿过，经线和纬线成90度角的编织方式。
Plain weave: Each wire is woven alternately over and under the warp wires through the cloth at 90 degree angles.
介绍了卷径计算、线速度测量、张力控制、同轴串联双电机控制、上下辊负荷平衡控制方法。
The paper introduces some methods for diameter compute, velocity measurement, tension control, the same shaft series twice motors control and load balance control of twin drive roll.
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