您要查找的是不是：
- All passengers are required to show their tickets. 所有乘客都必须出示车票。
- required NPSH curve 所需的净正吸入压头曲线
- required NPSH 所需的净正吸入压头
- It is required (of me) that I give evidence. 要求我提供证据。
- You're required to submit a resume. 你必须交一份个人简历。
- I have done all that is required by law. 我已按照法律规定把一切做好。
- No prior knowledge should be required. 不需要预先学得什么知识。
- We need $50 to make up the sum required. 我们需要五十元以补足所需要的数目。
- His work does not reach the standard required. 他的工作成绩达不到要求。
- I told him tout court that his services were not required. 我简单地告诉他不需要他的帮助。
- Expected or required but not yet having come about. 期待发生的被期望或要求但仍未发生的
- It required superhuman effort to lift the huge boulder. 要搬起这块大石头需要有超人的力量。
- Civil Servants are required to sign the Official Secrets Act. 公务员须签署遵守公务保密条例。
- Learning to walk again after his accident required great patience. 他出事后重新学习走路要有极大的毅力。
- Civil servant is required to sign the official secrets act. 公务员须签署遵守公务保密条例。
- The money collected fell short of the amount required. 筹集的资金没达到所需的数额。
- The ships required the protection of naval and air power. 船只本身需要海军和空军的保护。
- "What have these meat balls been handing you?" he required. "这些笨蛋在给你递什么来着？"他问道。
- George is no longer on the stab, but does odd jobs when required. 乔治现在已经没有固定工作了，只是在别人需要的时候干一点零活。
- They are required to publish the sources of their campaign funds. 他们必须公布自己竞选经费的来源。
