Engines that require less power on takeoff, for quieter flight.
对起飞和安静飞行要求更少动力的引擎。
More environment friendly as they require less herbicides and pesticides.
环境破坏小，因为种植它们所需要的除草剂及杀虫剂更少。
Value-based decisions are easier to make. They require less deliberate control.
基于自己价值观念的决定更容易做出来，因为你可以用自己一贯的自我准则，而不用怎么下意识地控制自己。
So why does the operation require less programming than coding it by hand in c?
因此凭什么说图形化操作会比使用c语言手工进行编码的编程工作量要少呢？
In another instance, large messages may be simply routed and require less processing.
其他一些情况下，大的消息也许只需要路由或需要较少的处理。
This is why the human powered helicopters are so large - they require less power.
这就是为何人类使直升机拥有如此大的动力-它们不需要这么大的动力。
Some property owners are replacing grass with ground covers that require less care and water.
部分业主正在用需要更少的照顾和水的草皮取代草地。
Many organizations only require you to work an hour a week some even less.
许多公司只要求你每周工作一个小时，有些甚至更少。
When group together, tasks require a lot less time, effort and concentration.
当归类到一起，任务就会更少花费你的时间、努力和专心。
It might even require patients to be just a bit less selfish.
这甚至需要病患们能够少些自私。
States can require more, but not less, than this degree of control.
国家能要求多，但不能少与这个控制程度。
They require much less time for computation than the exact formulas.
它们要求的计算时间比严格解要少得多。
Vented batteries are less expensive, but require more maintenance.
开放式蓄电池相对便宜，但维护工作量较大。
Only 25% require service once per year or less.
只有25％需要的服务，每年一次或更少。
Other, more complex acids formed less frequently, and require more temperature and pressure.
另一方面，复杂的氨基酸形成较少，并且需要更多的温度和压力。
There's less and less amino acids that require more energy to form.
随着能量需求增加，形成的氨基酸越少。
There's less and less amino acids that require more energy to form.
随着能量需求增加，形成的氨基酸越少。
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