1·It's necessary for power transmission system to conservation energy.
对于输电系统，节约能源是十分必要的。
2·A big jump in energy conservation could be achieved without much disruption of anyone's standard of living.
能源节约的一个大飞跃可以在不太影响任何人生活水平的前提下得以实现。
—— 《柯林斯英汉双解大词典》
3·Energy conservation has tended to accentuate the situation in some cases.
在某些情况下，节约能源往往会使情况更加严重。
4·These days conservation is all about efficiency: getting the same—or better—results from just a fraction of the energy.
如今，节能的关键是效率：如何仅用一小部分能源就能达到同样或更好的效果。
5·Energy conservation is of vital importance to us because our society is facing energy shortage.
节约能源对于我们而言至关重要，因为我们的社会面临能源短缺的问题。
6·"The indoor environment was dirty long before energy conservation came along," says Moschandreas, a pollution scientist at Geomet Technologies in Maryland.
马里兰州交美特科技公司的莫斯坎瑞斯，一位专门研究污染的科学家，说：“早在节能技术出现之前，室内环境就已经很脏了。”
7·A survey shows shoppers today are getting more concerned about energy conservation and environmental protection when deciding what to buy.
一项调查显示，现今的购物者在决定买什么时，越来越关注节能和环保。
8·QYKJ survives with the oath of professionalism, devotement, concentration, completeness, quality and energy conservation.
清阳洁净科技谨以专业、专注、专心、全面、品质、节能为生存格言。
9·NOT ONLY HAS CONSERVATION of energy been empirically validated many times over, but scientists also have good theoretical reasons to believe it.
不仅仅是因为能量守恒被实验无数次地证实过，科学家信赖它也是有理论依据的。
10·There must be something fundamentally wrong with the conservation of mechanical energy.
肯定有什么，基础性的错误，这个机械能守恒定理。