required中文什么意思

adj.
〔美国〕必修的(大学课程)。

• as required:    按规定签字样本; 按照规定; 视需要
• is not required to:    没有必要
• is required by:    被需求

例句与用法

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1. This requires two sine-cosine resolvers .
   这就需要两个正余弦分解器。
2. Prediction is required on two levels .
   在两个勘探阶段上需要进行预测。
3. She required the cause of his melancholy .
   她就问他为什么闷闷不乐。
4. He tendered the shipping documents required .
   他递交了必要的装货单据。
5. It was frequently required before execution .
   它经常在行刑前使用。

英文释义

形容词

1. required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading"
   同义词：compulsory, mandatory
2. necessary for relief or supply; "provided them with all things needful"
   同义词：needed, needful, requisite