step-up ratio中文什么意思

例句与用法

1. Comparing with conventional electromagnetic transformer , piezoelectric transformer has many advantages such as compact volume , high step - up ratio , non - flammability and none - electromagnetic pollution , which is an indispensable part in the electronic information system
   压电变压器相对于传统的电磁变压器具有体积小、重量轻、升压比高、不易燃、无电磁污染等特点,较好的解决了电磁压电变压器体积大、电磁污染严重等缺陷,是电子信息系统中不可或缺的重要部件。