alteration

变更，改变英释nna small change that makes someone or something slightly different, or the process of this change

1 hydrothermal alteration,热液蚀变；水热蚀变

2 alteration work,改建工程

3 design alteration,设计变更

1 If you make alterations to the Windows setup, save the new settings before closing..如果更改了视窗操作系统的设置，关闭前要保存新的设置。