is called upon翻译

is called upon的基本解释

读音: 美: 英:

被要求或被期望做某事：在某种情况下被要求或被期望采取行动或提供帮助。

例句

Evaluation research is called upon to demonstrate successes or failures of social programs.评估研究被用于论证社会项目的成败。
The designer frequently is called upon to check the drawings before they are sent to the shop.在送往车间前设计者常常被召集来检查图纸。
Each new problem the researchers' software is called upon to solve requires its own mathematical model.研究者的软件被调用来解决的每一个新的问题都需要它们自己的数学模型。
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