高效的英文是high efficiency。
例句：
1、因此，在这样一个重视自由的国家，社会才能保持良好的秩序，高效运转。
Therefore, in such a nation that values personal liberty, the society can still be kept in good order and operate with high efficiency.
2、N型高效催化剂在小本体聚丙烯装置上的应用。
Application of n-type high efficiency catalyst for bulk polymerization of propylene.
3、高效抗虫基因PinⅡ转化水稻的研究。
Studies on transforming high efficiency insect-resistant gene Pin ⅱ into rice.
4、在对电容电压进行动态维持的同时，实现高效的PWM调制。
While the PWM is implemented with high efficiency, the capacitor voltage is dynamically maintained.
5、如何将Windows XP移植到U盘来高效维护电子阅览室。
Ways to Transplant Windows XP System into U-disk to Maintain the E-Reading Room in High Efficiency.
石门小可爱
