For example, fumarase catalyzes the interconversion of malic acid and fumaric acid.如延胡羧酸酶能催化苹果酸和反丁烯二酸的可逆反应。
The electronic digtal calipers apply LCD digital disply and can make metric-inch interconversion and reset at any positi电子数显卡尺采用LCD数字显示并可进行公英制转换,在任意位置置零;还具有输出功能。