Expressions must have integral type and can include only integer constants, character constants, and the defined operator.

表达式必须有整数类型并且只能包括整数常量，字符常量，以及定义了的运算符。

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Therefore, each operator in an XML query language must be well defined for all these possible inputs.

因此，应为所有这些可能的输入很好地定义 XML 查询语言中的每个运算符。

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It enables the operator to determine to what extent the portal consumes valuable resources (such as CPU or memory) while it adheres to the defined Service Level Agreements (SLAs).

它使操作员能够确定门户在遵守服务级别协议(Service Level Agreement, SLA)的同时，对宝贵资源(如cpu或内存)的消耗程度。

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The New York Independent System Operator has defined short-term energy storage devices like flywheels and batteries as frequency regulators, allowing them to participate in regulated markets.

FORBES: Energy Storage Critical to Solar Industry

He in many ways defined what it meant to be a Russian oligarch, becoming a power broker, political operator and businessman all at once.

WSJ: Boris Berezovsky, Exiled Russian Tycoon, Dies