is required

常见例句

A remittance of a large sum is required.
要求一笔大数额的汇款。
《新英汉大辞典》
All that is required is for the operator to work out how to sniff appropriately.
对于操作者来说所需的一切就是如何做出适当的吸嗅动作。
However, you should not remove an input field when the field is required or should be set to a default value because the field is required.
但是，当某个输入字段是必需的，或者由于该字段是必需的而应该设置为缺省值时，您不应该删除该字段。

Also,the research showed that traders with the most exposure generally made the most money in wild markets when quick action is required.
The reason why literacy is required of everyone is because we don't live to 200.
为何每个人都需要文化素养？,因为我们活不到200岁,我们出于对外界的好奇。
麻省理工公开课 - 媒体、教育、市场课程节选
I think that if a classroom devolves to the point where physical force is required to gain control,
我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，
反对体罚 - SpeakingMax英语口语达人

For plant closings, notice is required if 50 or more workers lose their jobs in one location.
FORBES: Layoffs And Lawsuits
She's worried about having to teach coworkers a whole new system again next year if paper is required.
NPR: Local Election Officials Oppose Paper Ballots
If that is all that is required, then perhaps pension consultants are qualified for the task.
FORBES: The Politics of Fraud: How Pension Politics Enable Money Managers To Commit Fraud (July 1, 2001)