你的雇主必需声明公司的业务及活动的类型。
Your employer should state the nature of the company's business and activities e. g.
第一步是向变量声明部分中添加必需的散列。
The first step is to add the required hash to the variable declaration section.
注：如果输入文档包含多个名称空间和前缀，则名称空间声明是必需的。
Note: Namespaces declaration is a must when the incoming document contains multiple namespaces and prefixes.
signed/unsigned关键字是声明非浮点类型必需的。
The signed/unsigned keyword is required for non-floating point declarations.
在层与层之间，没有了必需的手动JNDI查找，没有了冗长的JSF支持bean的声明，没有了过多facade方法，没有了艰辛的对象传递，快哉！
There is no more artificially required JNDI lookup, verbose JSF backing bean declaration, excessive facade business methods, and painstakingly passing objects between tiers etc.
作为一种解决方案，模式作者可能会在可选的元素声明和通配符之间放置一个必需的元素，如清单3所示。
As a workaround, a schema author might place a required element in between the optional one and the wildcard as in Listing 3.
如果对象是必需的，那么应该尝试在方面中使用内部类型声明来组合对象，从而使不同的（模式）角色保持区别，即使在同一个类中定义也是如此。
Where objects are necessary, try to use inter-type declarations in aspects to compose the objects, so different (pattern) roles remain distinct even when defined on one class.
代理的第一部分将声明所有必需的Notes对象。
The first part of the agent declares all the required Notes objects.
众所周知谁是生态系统中声明必需元素得以不断运动的介质，没有水循环就没有生物地化循环。
As we all know who is the essential element of the ecosystem in a statement to the media in constant motion, not the water cycle there is no biological way of cycling.
众所周知谁是生态系统中声明必需元素得以不断运动的介质，没有水循环就没有生物地化循环。
As we all know who is the essential element of the ecosystem in a statement to the media in constant motion, not the water cycle there is no biological way of cycling.
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