标量表达式的英文

例句与用法

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1. The sql server 2005 query optimizer can match more queries to indexed views than in previous versions , including queries that contain scalar expressions , scalar aggregate and user - defined functions , interval expressions , and equivalency conditions
   与以前各版本相比， sql server 2005查询优化器可将更多查询与索引视图相匹配，包括包含标量表达式、标量聚合函数与用户定义函数、间隔表达式以及等价条件的查询。
2. Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon . some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect . the far - field asymmetry of the scanning field has been discussed
   文摘:应用几何光学理论研究了多光束转镜扫描场的非对称性，导出多光束扫描入射点位置矢量、反射线标量表达式、观察面上的扫描轨迹方程，并研究了扫描远场的非对称性。