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1·The major characteristic parameters of different RLL codes were compared.

对不同游程受限编码的主要性能参数进行了比较。

2·The construction, encode and decode method of the RLL(4,18) code are discussed.

给出RLL（4，18）码的构造方法和编解码步骤。

3·The relation between parameters of the RLL code and its performance criteria, and the relation among RLL code parameters is analysed in detail.

指出了游程长度受限码（RLL码）的性能评定的指标与结构参数间的关系，以及结构参数相互间的联系；

4·The principle of optimal selection of RLL code parameters which achieve high linear density is also proposed. Comparisons of several RLL codes are given at last.

提出了以提高线性记录密度为目的的优化选择结构参数的准则，同时对常用的几种RLL编码方式进行了比较。

5·Computer systems also include a Bus, the hard drive which has encoding data on the hard drive there has been two approaches firstly being the MFM, and the next being RLL.

计算机系统也有总线，硬盘在编码时有两种途径，第一种是MF M协议，第二种是RLL协议。

6·Objective To reconstruct the proteinic sequence of human cathelicidin LL-37 to increase the bactericidal activity of LL-37 and to express the reconstructed LL-37 (rLL-37) in bacterium.

目的改良人源杀菌肽LL-37的氨基酸序列，提高其杀菌力，并在原核细菌中表达。