| 1. | A set of calibrated weights will be needed . 需要一套经过校准的砝码。 |
| 2. | A serial-down binary counter is needed . 需要一个串行累减二进制计数器。 |
| 3. | Many men are needed to emend this book . 修订这本书需要许多人手。 |
| 4. | This kind of flexible perspective is needed . 采取这种灵活的看法是必要的。 |
| 5. | Now a plan of attack is needed . 需要一个着手工作的计划。 |
| 6. | These were extra wedges in case they should be needed . 这些多余的楔子是备用的。 |
| 7. | If stricture develops, bouginage will be needed . 若狭窄发生,则需用探条扩张术。 |
| 8. | Further work is needed to resolve this contradiction . 解决这一矛盾需要进一步研究。 |
| 9. | These were extra wedges in case they should be needed . 这些额外的木楔是以防万一的。 |
| 10. | More exchange between world leaders is needed . 世界各国领导人之间更多的交流是必须的。 |