本文从强度理论和脆断理论两方面对此情况下裂纹传播长度的计算方法进行探讨。
Calculation methods of crack spread length are investigated by means of stress theory and brittle fracture theory.
如果文件以分隔符开始，则节点将该分隔符之前的(零长度)文件内容视为一个记录，并向流传播一个空记录。
If the file begins with a delimiter, the node treats the (zero length) file contents preceding that delimiter as a record and propagates an empty record to the flow.
如果文件以分隔符结尾，则仍然传播最后一个分隔符后面的(零长度)文件内容，尽管其中没有包含数据。
If the file ends with a delimiter the (zero length) file content following the final delimiter is still propagated although it contains no data.
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