electricity-savingCOCA³¹⁵¹¹¹⁺⁴BNC²³⁶²¹³⁺¹ 基本例句 节电¹⁰⁰ Some technologies commonly used in it are mainly introduced in this paper as well as the value of the green lights program on electricity-saving, energy- saving and environment- protectionist. 本文主要介绍了实施绿色照明的主要技术措施及绿色照明对节电、节能及环境保护的意义。 cnki