Poplin is a linedensity values high density plain weave fabric.
府绸是一种线密度值较小密度较大的平纹组织织物。
2
The linedensity of varied-line-space gratings have been measured by using interferometry. The principle and geometry are introduced, the methods of data processing and the results are given.
用干涉法测量变线距光栅的线密度,给出了测量原理、实验中的光路、数据处理的方法、测量结果。
3
Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gun- powder charge linedensity, and uncoupling factor.