正式生效的英文：
formal effective

formal是什么意思：
adj. 正式的；礼仪上的；有条理的；正规的；公开的 ；拘谨的
  • You should recast the report in formal wording as it is a formal occasion.
    这是一个很郑重的场合，所以你的报告应改的正式一点。
  • A formal note is essentially a formal personal letter.
    正式照会实质上是正式的个人函件。
  • They are very formal in their business transactions.
    他们的商务议事很有条理。
  • secure in formally authorized hands.
    处在正式的经权威认可的保护下的。
  • Their work is often a formality.
    他们的工作通常流于形式。
effective是什么意思：
adj. 有效的；生效的，起作用的；有力的；实际的
  • This parameter has no effect.
    此参数不起作用。
  • The drug was of no effect.
    这药无效。
  • The helpful effect on propellant slosh effects was a secondary consideration
    推进剂晃动的有利性影响是一个次要的考虑因素。
  • She only dresses like that for the effect it creates/for effect.
    她仅仅为了装样子才那样打扮.
  • The medicine was an effective purge.
    这是疗效很好的泻药。

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