Although this requires that names from W3C's XML schema specification be explicitly prefixed, it only increases the length of the schema, not the length of instance documents.

虽然这样要求为W3C的XML Schema规范中的名称明确添加前缀，但是它只增加模式长度，而不是实例文档的长度。

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Along with the input string, the SUBSTRING function has three other arguments, which are start position, length, and code unit specification.

除了输入字符串之外，SUBSTRING函数还有其他三个参数，它们分别是：起始位置、长度和代码单元指定。

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See Figure 3 and Bolting Specification table to determine proper bolt length.

请参阅图3和螺栓规格表，确定恰当的螺栓长度。

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