logical record length造句

In the DD statement, the BLKSIZE is specified as a non-zero value and this, then, results in a program-specified LRECL ( logical record length ) and a JCL-specified BLKSIZE ( physical block size ), with the merge of the two becoming the permanent definition of the dataset.
If the dataset is unblocked, that is, the logical record length ( LRECL ) is equal to the physical block size ( BLKSIZE ), BSAM may be utilized to simulate a directly accessed dataset using NOTE and POINT on any supported direct access device type ( DEVD = DA ), and some primitive applications were designed in this way.
DLGs are available in two different formats : optional format, a simple-to-use format that incorporates an 80-byte logical record length, the UTM ground coordinate system, and topology linkages contained in line, node and area elements; and Spatial Data Transfer Standard ( SDTS ) format, a format that facilitates transferring of spatial data between different computer systems.
It's difficult to find logical record length in a sentence. 用logical record length造句挺难的