Exposure to nature has been thought to be necessary for brain development in children.
人们一直认为，接触大自然对儿童的大脑发育是必要的。
Such a change may not be necessary for your distribution.
对于您所使用的版本可能不需要这种更改。
Providing a single Oracle server might be necessary for generating the schema and tables.
在生成模式和表时可能必须提供单一的Oracle服务器。
However, not everything is cleaned up as some data might still be necessary for later processing.
但是，并非所有数据都被清除，为了进行以后的处理，可能需要保留一些数据。
It may be necessary for us to have recourse to arbitration.
我们可能有必要提请仲裁。
Would it be necessary for me to pay all the money before the trip?
我必须在旅行出发前支付全部费用吗？
Others think the book and the written words will be necessary for spreading information.
而另一些人认为书本和文字材料对于信息的传送很必要。
But I'm afraid that it will be necessary for us to ask you to change rooms for the last two nights.
不过，恐怕最后两天我们得请您搬到别的房间去。
This is helpful if a group needs a specific layout that may not be necessary for others in the company.
这对那些需要特殊布局的人群是十分有帮助的，而对公司的其他人群又不是必要的。
Additional methods of this type will be necessary for a portlet implemented with complete functionality.
portlet要实现全部功能还需要这种类型的其它方法。
We can help you if you want to order an airport ambulance. Some charge will be necessary for their service.
如果您需要，我们可以帮助您联系机场救护车。他们会收取一定费用。
To decrease the radiation heat load of the cryopanel is considered to be necessary for the design of cryopumps.
减小低温板的辐射热负荷是低温泵设计中的关键问题。
Your Personal Data will be retained for such period as may be necessary for our record and verification purposes.
我们将在有需要的期间，保存阁下的个人资料作记录及核实用途。
Further research on dipsacaceae species will be necessary for better understanding of its new active constituents.
进一步开展川续断科植物的研究，对更好的发现新的药用活性成分有重要意义。
“Humans have got to be in the loop,” says Dr Thomas. “It is probably going to be necessary for the next 20 years, maybe 100.”
“人类必须要被包含在其中”托马斯博士说，“这可能在未来的20甚至可能100年内都是有必要的。”
While these things may be necessary for reaching the goal of delivering a solution, they are not valuable in and of themselves.
虽然这些事物对达到发布解决方案的目标来说是必须的，然而它们的价值并不在于它们自身。
It may be necessary for you and your partner to receive professional help in order to learn how to manage your deep resentments.
或许你们双方都有必要寻求专业帮助以消除积怨。
Experienced RUP mentors can help remove work products from the Development Case that will never be necessary for your organization.
有经验的RUP导师可以从开发案例中裁减不必要的工作产品。
For example, it may be necessary for a system to route high volt age signals at some times and high current signals at others.
例如，一个系统可能有时候需要路由高压信号，而其它时间则需要路由大电流信号。
It may be necessary for us to accept these limitations in order that the integrity of operation "Overlord" shall not be marred.
为了使“霸王”作战计划的完整性不致受到损害，我们也许必须接受这些限制。
The following component areas are seen as a future-proof set of capability areas; not all may be necessary for all versions of WS-POS.
以下组件领域被视为一组永不过时 (future-proof)的功能领域；并非所有版本的 WS-POS 都需要所有这些领域。
Travel throughout the world will be necessary for you to acquire crafting supplies, complete epic quests, and find dungeon areas.
要想得到某些制作材料、完成史诗任务和寻找地城区域，旅行穿越世界是必不可少的。
This sample project is for illustration purposes only; several elements that would be necessary for actual use have been omitted for simplicity.
此示例项目仅用于演示目的；为简单起见，忽略了实际应用中必需的多个元素。
The Employer may issue to the Contractor instructions which may be necessary for the Contractor to perform his obligations under the Contract.
雇主可向承包商发出为承包商根据合同履行义务所需要的指示。
In DB2, the command RUNSTATS TABLE all INDEX all collects all uniform statistics, many of which may not be necessary for improving query performance.
在DB 2中，RUNSTATS TABLEALLINDEX ALL命令会收集统一的统计数据，这其中很多对改善查询性能并不必要。
Hemodialysis may be necessary for fluoride removal and to avoid or correct hyperkalemia and recurrent hypocalcemia not responsive to replacement therapy.
为了去除氟化物、避免和纠正血钾过多和对置换治疗没有反应的周期性血钙过少，有必要进行血液透析。
The analysis has proved that fiber laser through coherent beam combination must be necessary for the future airborne soft killing high power laser source.
分析表明相干组束光纤激光器是未来机载软杀伤高功率光源的必然选择。
The analysis has proved that fiber laser through coherent beam combination must be necessary for the future airborne soft killing high power laser source.
分析表明相干组束光纤激光器是未来机载软杀伤高功率光源的必然选择。
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