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有效使用期
有效寿命
1、effective measure───[经] 有效措施
2、effective───adj.有效的，起作用的；实际的，实在的；给人深刻印象
3、effective measures───有效措施
4、effective cure───特效药
5、effective treatment───有效治疗
6、effective way───有效方法；有效途径
7、cost effective───有成本效益的；划算的；成本效率；[计] 成本的有效的，效能价格合算的，价格可取的; [经] 本轻利厚，成本效果
8、effective dates───[经]有效日期；生效期
9、effective tactics───有效战术
1、cutting tool material should therefore have high abrasion resistance to improve the effective life of the tool.───因此切削刀具材料应具有高耐磨性以提高刀具的有效寿命。
2、USAID administrator Rajiv Shah called it "one of the best, most cost-effective life-saving investments we have ever made. "───美国国际开发署署长拉吉夫·沙阿 (Rajib Shah)称之为“我们所做过的最好的、最具效益的挽救生命的投资之一。”
3、The cutting tool material should therefore have high abrasion resistance to improve the effective life of the tool.───因此切削刀具材料应具有高耐磨性以提高刀具的有效寿命。
4、Parables were teachings of wisdom on how to live an effective life dominated by happiness and lived for the glory of God.───就是教导智慧，教导人如何活得好，使自己得益，神得荣耀。
5、It is found that the effective life time of building stocks is much higher than generally assumed, and possibly independent of their age.───研究发现建筑存量的有效寿命比通常所设想的要高得多，好像与他们已经使用的年限无关。
6、Like, if they were getting near the end of their effective life, are they more or less dangerous?───比如说，如果他们的有效寿命就要到尽头了，他们是更危险呢还是相对来说不危险了呢？
7、silting from a river with heavy sediment lood seriously affects the discharge capacity and effective life of the head work of a detention basin for flood diversion.───沙河流侧向分洪后，分洪工程的前后经常引起大量而迅速的冲淤变化，这种变化严重的影响进水能力与工程的运用寿命。
8、I've saved the best for last,. If you can keep an attitude of preparation you'll have the best chance of making effective life adjustments.───我把这条最好的建议留到最后说：如果你能保持这种时刻准备的态度你就很有可能做出有效的调整。
1、The silting from a river with heavy sediment lood seriously affects the discharge capacity and effective life of the head work of a detention basin for flood diversion.
2、We don't mean to alarm you, but your home be infested with effective, life - saving antibiotics.