Fixed-length records are preferred over varying length records, because the DB2 code is optimized for processing fixed-length records.

固定长度的记录要优于可变长度的记录，因为 DB2 代码专门为处理固定长度的记录进行优化。

youdao

It recommends the computer system's flexibility control, the in-line adjustment of fixed length accuracy and reliable design of new type welded pipe fixed length flying saw.

介绍了新型焊管定尺飞锯计算机系统柔性控制、定尺精度的在线调整和可靠性设计。

youdao

For processing variable length packet, current routers usually separate the packet into the smaller fixed-size one before buffering, or simply provide the packet with a fixed-length buffer.

现代网络设备常采用固定长度缓冲区机制来缓冲可变长度数据包，或采用信元机制将可变长度数据包进行定长化处理后再完成缓冲操作。

youdao

But since sine square plus cosine square is 1, you'll find this vector has a fixed length R.

但是由于正弦和余弦的平方和为1,你会发现这个矢量模长恒等于 R

耶鲁公开课 - 基础物理课程节选

The legislation is intended to close the legal loophole, where people serving life sentences can currently apply for release on parole earlier than prisoners serving fixed length jail terms.

BBC: Criminal Cases Bill debate 1

Offering a fixed 50mm focal length and extra-bright F1.4 aperture, the premium lens is an ideal choice for quality-critical portraiture and low-light shooting.

ENGADGET: Sony NEX-3N and Alpha A58 unveiled, heading to Europe this spring

Companies could be barred from using rolling contracts - where the contract is renewed each day so that at any given time directors have a fixed notice period to serve - to get around limits on the length of time they may serve.

BBC: 'Fat cat' pay proposals: At a glance