For example in the filter expression $x[count(.|$y)=count($y)] (which is the only convenient way in XSLT 1.0 of doing a set intersection operation), Saxon will evaluate count($y) only once.
例如，在过滤器表达式 $x[count(.|$y)=count($y)]中（它是XSLT 1.0 中执行一组逻辑乘操作的唯一简便方法）中，Saxon 只对 count($y) 求值一次。
XML data communication is discussed. Expression of display contents or parameters by XML make display picture data convenient to amend or edit, and easy to transmit and store.
使用XML表达交通诱导显示图片的显示内容以及播放参数，使得显示图片内容可再编辑和修改，同时为数据的传输、存储带来了方便。
The electronic teaching notes have the features of rich content, various expression, powerful function, easy use and convenient modification and expansion.
该电子教案内容丰富，表现形式多样，功能强大，使用容易，修改、扩展方便。
This study was designed to seek a convenient method to assess objectively and accurately the efficacy of gene transfer and expression.
本研究拟寻找一种客观、准确、简便地检测基因转移和表达效率的新方法。
Here, the kinetic equivalent relationship is resorted to derive the expression convenient for computation.
利用动力学等价关系导出了便于计算的表达式。
The expression is computationally simple and convenient for real-time bandwidth estimation and control.
该表达式计算简单，便于实时带宽估计和控制。
Compared with the traditional method, the new one is clear in physical conception, simple in expression, accurate in calculation, and convenient for computer operation as for optimum design.
与传统的方法相比，该法物理概念清楚，表达式简单明了，计算结果精确，便于电算和优化设计。
Since it is a twofold summation of the sides and the faces of the polyhedron, this expression will be very convenient for operating on the computer.
鉴于它是边和面的二重累加和式，因此，在电子计算机上计算将十分方便。
Since it is a twofold summation of the sides and the faces of the polyhedron, this expression will be very convenient for operating on the computer.
鉴于它是边和面的二重累加和式，因此，在电子计算机上计算将十分方便。
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