This might happen when it is desirable to centralize the enterprise models but necessary to maintain permanent variance in one or more divisions, business units or regions.
当需要集中企业模型而不需要维护一个或者多个部门、商业单位或者地区之间永久性的差异性时，这种情况就会出现。
It is also possible (and often desirable) to implement the reverse stylesheet to generate UML models from XML schemas.
实现逆向样式表从XML模式生成uml模型也是可能的(并且常常是人们所期望的)。
The results show that the calculations of typhoon sea level pressure field and wind field by means of advanced typhoon pressure models is desirable.
结果表明，改进后的台风气压模型对台风海面气压场和风场的模拟计算是可取的。
This is desirable but by no means essential to the primary objective of validating mathematical models of aircraft behaviour.
对于验证飞机性能的数学模型这一主要目的来说，这是必须的，但决不是最本质的。
This is desirable but by no means essential to the primary objective of validating mathematical models of aircraft behaviour.
对于验证飞机性能的数学模型这一主要目的来说，这是必须的，但决不是最本质的。
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