求翻译：(2)绳芯与橡胶应具有较高的黏着力。这对于用硫化接头具有重大意义.提高钢绳与橡胶之间黏着力的主要措施是在钢绳表面电镀黄铜及采用硬质橡胶等。是什么意思？

(2) The rope core and the rubber should have a high adhesion force. With vulcanized joints is of great significance to improve the main measure of the adhesion force between the wire rope and rubber in the steel surface plating, brass, and the use of hard rubber.