When the exterior normal is opposite to the coordinate axis, then the positive stress components are in the opposite directions of the coordinates.
当外向法线和坐标轴相反时，正的胁强分量就是沿着和坐标轴相反的方向的。
infra-red ranging and direction finder
红外线测距及测向系统
backscatter ultraviolet radiometer
后向散射紫外线辐射仪
infrared absorption anisotropy
红外[线]吸收[的]各向异性
Also a diagonal backward arrow, works the same as a normal barrow.
另外，斜向向后拉线和通常的向后拉线效果相同。
Flip Normals- Change the Normal directions of the selected faces.
翻转法线-改变选择面的法线方向。
right-angle traverse shaving
切线方向进刀剃齿法
determination of linear density of yarn removed from fabric
纱线线密度测定法-外观法
ultraviolet spectrophotometry
紫外线分光光度测定法
nondispersive infrared
不分光红外线分析法
general rules for infrared spectrophotometric analysis
红外线分光分析法通则
infrared thermography survey
红外线热像图法检漏
A Study of Linearity Measurement Method Based on Magneto-optic Linear Modulation;
磁光旋向横向线性调制测量直线度方法的研究
change from one vehicle or transportation line to another.
从一车辆或路线转向另外的车辆或路线。
Solar Backscattered Ultraviolet (Ozone Probe)
太阳后向散射紫外线仪臭氧探测仪
any one of a number of lines,bands,etc coming out from a centre
（从中心向外发出的）线、条、带等.
a cricket ball bowled as if to break one way that actually breaks in the opposite way.
投手以内曲线球投法投出的外曲线球。
Effect of dual-wire distance and wire diameter on transverse impedance measurement using dual-wire method
双线法测量横向阻抗中双线间距及线径的影响