screen frequency的用法和样例：
例句
- The results showed that although the equipment was linearized, it needs to be corrected again before using the different dots and their different screen line number.
实验结果表明激光照排机线性化后，还需要对不同网点及其加网线数的网点进行再次校正。 - It also gives the key points forhalftone textile printing,such as the screen tension consistency,matchingof screening lines of separations and the mesh count.
指出印刷高质量的半色调纺织产品的要素是几块色版的张力务必一致，分色底片的加网线数和选用的丝网目数应该相匹配。
