The SOA ontology defines a composition as a subclass of a system, thus emphasizing that while a composition is a system, a system is not necessary a composition.
SOA本体将组合定义为系统的子类，所以，它强调：组合是一个系统，而系统不一定是组合。
What we all need is not necessary a cause we're willing to die for, but at least a cause we're willing to LIVE for.
我们需要的不一定是一项为之奋斗终身的事业，但至少我们应该设立一个生活目标。
The establishment of modern business system makes necessary a suitable accounting mode and frame to guarantee legality, authenticity, integrality and accuracy of the quality of accounting information.
现代企业制度要求建立和完善与之相适应的会计模式和框架，使会计信息质量的合法性、真实性、完整性、准确性得到充分保障。
If that operator has to answer 2,500 calls a day, the problem is not necessary a lack of telephone techniques - it could be a situation of work overload and training alone might not help.
如果该接线生每天必须接听2500个电话，那么问题并不是她缺乏电话接听技巧- - -问题可能是因为超负荷工作，培训本身并不能解决问题。
If necessary, a waiting thread is signaled to pick up the newly enqueued object.
如果需要，则通知等待线程选取刚刚进入队列的对象。
If necessary, a quick release layer, which is composed of medicines and excipient and covers the outside of the controlled release layer or the slow release layer, can also be included.
如果需要，还包括速释层，由药物及赋形剂组成，包裹在缓释层或控释层外。
If the immediate execution of a criminal punishable by death is not deemed necessary, a two-year suspension of execution may be pronounced simultaneously with the imposition of the death sentence.
对于应当判处死刑的犯罪分子，如果不是必须立即执行的，可以判处死刑同时宣告缓期二年执行。
When necessary, a man can be up and ready in seven minutes or better.
在必要的时候，一个男人可以在七分钟甚至更短的时间起床并准备好一切。
When necessary, a tracing service is established to reunite people and families.
在需要的时候，为人们和家人团聚提供寻亲服务。
To avoid this fate, marketers need not just one or two brands but, if necessary, a portfolio of master brands, endorser brands, branded differentiators, alliance brands and so on.
为避免这种命运，营销者需要的不只是一两个品牌，而是若有必要的话，需要一个由主打品牌、支持品牌、差异品牌以及联盟品牌等的组合。
If necessary, a caesarean section can be performed.
必要时，可实施剖腹产手术。
Now, you want to highlight patients who do not need (not necessary) a checkup with green, those who require (necessary) a checkup with red, and the others (maybe) will not be highlighted.
现在，需要用绿色突出显示那些不需要体检(notnecessary)的病人，用红色突出显示需要体检(necessary)的病人，其他人(maybe)则不突出显示。
If manual approval is necessary, a second workflow (shown in Figure 2) is initiated.
如果有必要进行人工审批，将启动第二个工作流(如图2中所示)。
There should be a reliable electricity supply and emergency lighting. When necessary, a stand-by power supply should be available for the support of important equipment.
有可靠的电力供应和应急照明。必要时，重要设备如培养箱、生物安全柜、冰箱等应设备用电源。
While not strictly necessary, a parallel light is also applied to the "stereo" layer, this provides additional control over brightness and even can apply colour (mood) effects.
当要求不是很严格时，一组平行光也可以加到“立体”层，这提供了额外的光照控制甚至可以加入颜色(气氛)效果。
While not strictly necessary, a parallel light is also applied to the "stereo" layer, this provides additional control over brightness and even can apply colour (mood) effects.
当要求不是很严格时，一组平行光也可以加到“立体”层，这提供了额外的光照控制甚至可以加入颜色(气氛)效果。
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