refactor: abstract* to abstractEn

Author: fky2015

Diff for: bithesis.dtx

@@ -2063,7 +2063,7 @@
     \newpage
   }
 
-  \NewDocumentEnvironment {abstract*} {o}
+  \NewDocumentEnvironment {abstractEn} {o}
   {
     \IfValueT {#1} {
       \keys_set:nn { bit / abstract_en } {#1}

Diff for: templates/graduate-thesis/chapters/abstract.tex

@@ -20,6 +20,6 @@
   \textcolor{blue}{（摘要是一篇具有独立性和完整性的短文，应概括而扼要地反映出本论文的主要内容。包括研究目的、研究方法、研究结果和结论等，特别要突出研究结果和结论。中文摘要力求语言精炼准确，博士学位论文建议1000~1200字，硕士学位论文摘要建议500~800字。摘要中不可出现参考文献、图、表、化学结构式、非公知公用的符号和术语。英文摘要与中文摘要的内容应完全一致，在语法、用词上应准确无误，语言简练通顺。留学生的英文版博士学位论文中应有不少于3000字的“详细中文摘要”。）}
 \end{abstract}
 
-\begin{abstract*}[addTOC=false]
+\begin{abstractEn}[addTOC=false]
   In order to exploit.......
-\end{abstract*}
+\end{abstractEn}

Diff for: templates/undergraduate-thesis-en/chapters/0_abstract.tex

@@ -21,7 +21,7 @@
 %
 % https://github.com/BITNP/BIThesis
 
-\begin{abstract*}
+\begin{abstractEn}
   Conventional  product  development  employs  a  design-build-test  philosophy. 
   The sequentially  executed  development  process  often  results  in  prolonged
   lead  times  and elevated product costs. The proposed e-Design paradigm employs 
@@ -31,4 +31,4 @@
   trade-offs for design decision making. Physical prototypes  of  the  product  design  
   are  then  produced  using  the  rapid  prototyping  (RP) technique  and  computer  
   numerical  control  (CNC)  to  support  design  verification  and functional prototyping, respectively.
-\end{abstract*}
+\end{abstractEn}

Diff for: templates/undergraduate-thesis/chapters/0_abstract.tex

@@ -29,9 +29,9 @@
 \end{abstract}
 
 % 英文摘要章节
-\begin{abstract*}
+\begin{abstractEn}
 % 英文摘要正文从这里开始
 In order to study……
 
 \textcolor{blue}{Abstract 正文设置成每段落首行缩进 2 字符，字体：Times New Roman，字号：小四，行距：固定值 22 磅，间距：段前、段后均为 0 行。阅后删除此段。}
-\end{abstract*}
+\end{abstractEn}