When generating SQL expressions for measures that reference other measures, the aggregation function might not be used to form the SQL expression for the nested measures.
如果一个度量引用其他度量，那么在为它产生SQL表达式时，不能使用聚合函数来为嵌套的度量产生SQL表达式。
These expressions can be merge field data, bookmark bookmark: a location or selection of text in a file that you name for reference purposes.
这些表达式可以是合并域数据、书签书签：以引用为目的在文件中命名的位置或文本选定范围。
Please refer to Replacement expressions in descriptions and staff assignments for WebSphere Integration Developer Version 6.1 for reference information on this expression.
有关此表达式的参考信息，请参阅WebSphereIntegrationDeveloper V6.1 的Replacementexpressionsindescriptionsandstaffassignments。
The expressions of MMP-9 , VEGF are significantly related to the recurrence of GCT, and may be a reference marker to predict the recurrence of GCT and a guide for clinical treatment.
MMP鄄9、VEGF的表达与骨巨细胞瘤的血管生成、细胞增殖、转移及复发有关，可作为判定骨巨细胞瘤复发潜能、指导临床治疗的参考指标。
The structural principle of the linear width type voltage regulator is presented and the expressions for selecting and computing the reference voltage and the duty factor are given.
本文首先阐述了线性调宽式开关稳压器的组成原理；其次，计算了基准电压及占空系数，推演出电压调整率、输出内阻、效率等三项性能指标的数学公式；
The structural principle of the linear width type voltage regulator is presented and the expressions for selecting and computing the reference voltage and the duty factor are given.
本文首先阐述了线性调宽式开关稳压器的组成原理；其次，计算了基准电压及占空系数，推演出电压调整率、输出内阻、效率等三项性能指标的数学公式；
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