screen frequency

After the laser imagesetter was linearized,the different dots and their different screen line number were analyzed.

对激光照排机进行线性化后,再对不同网点及其不同加网线数进行实验分析。

The basic elements of fishing gear are fishing sythetic fibres, twines and ropes, whose strength performances strongly affect the mechanical and fishing performances of fishing gear and its working duration and production cost.

渔用合成纤维及其网线和绳索是构成渔具的基本要素，其强度性能对渔具的力学性能、渔获性能、使用寿命和制造成本具有重要作用。

In this paper, the methods of correct cable arrangement mounting, using, failure and recovery of wire cable for local networking ate studied.

阐述了局域网的建网过程中 ,正确的电缆布线、安装、使用 ,诊断网线故障 ,及时排除故障的方

The larger deviation of front guide lines in printing was analyzed with the real cases of halftone plate and solid plate color register printing.

以网线版印刷和实地版印刷套印为案例,对套印过程中表现出的前规线偏差较大故障现象进行了详细分析,明确指出了橡皮滚筒包衬过厚是其根本原因。