求翻译：(1)应具有较高的破断强度。钢芯强度高则输送带亦可增大，从另一个角度来说，绳芯强度越高，所用绳之直径即可缩小，输送带可以做的薄些，已达到减小输送机尺寸的目的。是什么意思？

(1) should have a high breaking strength. Steel core strength is high conveyor belt may also increase, from another perspective, the higher the rope core strength, the diameter of the rope can narrow conveyor belt can do thinner, has reached the goal of reducing the size of the conveyor .