请问一下，这些命令又分别代表什么意思呢 <img src="http://img.jishulink.com/upload/201612/1482223548703_blob.png" title="blob.png" alt="blob.png" data-mobile-sr

<span style="font-family:宋体, SimSun;font-size:14px;color: rgb(85, 85, 85);Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 微软雅黑, STHeiti, 'WenQuanYi Micro Hei', SimSun, sans-serif; line-height: 22px; background-color: rgb(255, 255, 255);">1.前面三个关键字，定义了三个单元算法，前两个定义了基于多物质的ALE算法，第三个是lagrange算法 <span style="font-family:宋体, SimSun;font-size:14px;color: rgb(85, 85, 85);Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 微软雅黑, STHeiti, 'WenQuanYi Micro Hei', SimSun, sans-serif; line-height: 22px; background-color: rgb(255, 255, 255);">2. 第4和5关键字定了了多物质组 <span style="font-family:宋体, SimSun;font-size:14px;color: rgb(85, 85, 85);Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 微软雅黑, STHeiti, 'WenQuanYi Micro Hei', SimSun, sans-serif; line-height: 22px; background-color: rgb(255, 255, 255);">3. 第6个关键字定义的是结构和流体的耦合作用 <span style="font-family:宋体, SimSun;font-size:14px;color: rgb(85, 85, 85);Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 微软雅黑, STHeiti, 'WenQuanYi Micro Hei', SimSun, sans-serif; line-height: 22px; background-color: rgb(255, 255, 255);">4.第8个和7个定义的是part集合<span style="font-family:宋体, SimSun;font-size:14px;color: rgb(85, 85, 85);Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', 微软雅黑, STHeiti, 'WenQuanYi Micro Hei', SimSun, sans-serif; line-height: 22px; background-color: rgb(255, 255, 255);">5. ALE算法的控制选项