In this case it is a string expression.

在本例中为一个字符串表达式。

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Click the canvas, and connect the string expression to the log expression.

单击画布，将字符串表达式连接到日志表达式。

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Returns a value of a string expression evaluated over another specified cube.

返回在另外一个指定的多维数据集上对字符串表达式求得的值。

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We decided to play the repeated notes like a string pizzicato and David added a flowing part for the cello to connect the chord changes with the static expression of the recorders.

NPR: Live in Studio 4A: Parnassus Avenue Baroque