What skills are needed to operate this machinery?
操作这种机器需要什么技能？
Stronger legal safeguards are needed to protect the consumer.
需要有更有力的法律措施来保护消费者。
Such measures are needed to equalize wage rates between countries.
要使各国的工资水平均等，这些措施是必要的。
Many of the indigenous insects are needed to pollinate the local plants.
需要很多种土生昆虫给当地植物授粉。
这些步骤是必要的。
没有工具是必要的。
When close-ups are needed, the film focuses on the star.
当需要特写镜头时，电影就会聚焦在明星身上。
But when close-ups are needed, the film focuses on the star.
但是当需要特写镜头时，电影就会聚焦在明星身上。
2,500 gallons of water are needed to produce one pound of beef.
生产一磅牛肉需要2500加仑的水。
Why dose a whole field with chemicals if you can spray only where they are needed?
如果你可以只在需要的地方喷洒化学药品，为什么要在整个田地里喷洒呢？
Further studies are needed to prove the findings in other populations, settings and climates.
需要进一步的研究来证明在其他人群、环境和气候中的发现。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Tears can be obtained painlessly without invading the body and only tiny amounts are needed to perform highly refined analyses.
人们可以轻松地获取眼泪，不会对身体造成伤害，而且只需要微量的眼泪就可以进行高度精细的分析。
The machine was designed to be used in places like transport stations, airports and places of interest where quick and exact announcements are needed most.
这种机器被设计用于最需要快速且准确的公告的地方，如运输站、机场和名胜古迹。
Two A-level passes are needed for this course.
本课程要求有两个高级证书考试的及格成绩。
Fewer workers are needed to solder circuit boards.
焊接电路板需要较少的工人。
Drastic measures are needed to clean up the profession.
需要采取极端的措施来整顿这个行业。
Three hundred thousand tons of cereals are needed to replenish stocks.
需要30万吨谷物才能重新装满仓库。
Good studies are needed to lend credence to the notion that genuine progress can be made in this important field.
要有优秀的研究才能使人相信在这一重大领域能取得真正的进步。
Teachers are needed very much there.
那里非常需要教师。
Sometimes speed, skills and teamwork are needed.
有时需要速度、技能和团队合作。
A lot of skills are needed for the job.
这份工作需要很多技巧。
What tools are needed for each team in Water Relay?
在水接力赛中，每队需要什么工具？
Two secretaries are needed by this world-famous international company.
这家世界闻名的国际公司需要两名秘书。
Because the capsule remains within the Earth's atmosphere, no special clothing or training are needed.
由于太空舱仍在地球大气层内，因此不需要特别的服装或训练。
我需要药物。
Therefore, additional explanations are needed.
因此，还需要有更多的解释。
At various stages in a person's life, different kinds of life insurance are needed for particular situations.
在人生的不同阶段，特定的情况需要不同类型的人身保险。
Strategies are needed to obtain the optimum classroom construction and perhaps a change in classroom culture and methods of teaching.
我们需要一些策略来将课堂建设做到最好，可能还需要改变课堂文化和教学方法。
Only after scientists are certain that they're disease free, will the plants be sent to farmers in West Africa or wherever else they are needed.
只有在科学家确定这些植物没有病害后，这些植物才会被送往西非或其他需要它们的地方。
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