安装ArcGIS Engine时的困惑

我安装ArcGIS Engine时：
<P  align=left>ArcGIS EngineCD中包括以下内容s:<p></p></P>
<UL type=disc>
<LI class=MsoNormal style="MARGIN: 0cm 0cm 0pt; COLOR: #333333; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><B>ArcGIS Engine SDK for the Microsoft .NET Framework:</B> Software developer kit for the .NET API, along with developer resources and tools that are integrated within Visual Studio 2005. <p></p></LI>
<LI class=MsoNormal style="MARGIN: 0cm 0cm 0pt; COLOR: #333333; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><B>ArcGIS Engine SDK for COM (VB6 and VC++):</B> Documentation and samples for working with the COM API, along with supporting developer resources. <p></p></LI>
<LI class=MsoNormal style="MARGIN: 0cm 0cm 0pt; COLOR: #333333; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><B>ArcGIS Engine SDK for the Java Platform:</B> Documentation and samples for working with the Java API, along with supporting developer resources. There are separate CDs for Windows, Red Hat and SUSE Linux, and Sun Solaris. <p></p></LI>
<LI class=MsoNormal style="MARGIN: 0cm 0cm 0pt; COLOR: #333333; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><B>ArcGIS Engine SDK for Cross-platform C++:</B> Documentation and samples for working with the cross-platform C++ API, along with supporting developer resources. There are separate CDs for Windows, Red Hat and SUSE Linux, and Sun Solaris. <p></p></LI>
<LI class=MsoNormal style="MARGIN: 0cm 0cm 0pt; COLOR: #333333; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"><B>ArcGIS Engine Runtime:</B> Redistributable version of ArcObjects needed to run applications developed with any of the ArcGIS Engine SDKs. There are separate CDs for Windows, Red Hat and SUSE Linux, and Sun Solaris.</LI></UL>
<P >我是用DELPHI平台的，我在这里选择安装<STRONG>ArcGIS Engine SDK for COM (VB6 and VC++) ，它里面包含EngineSDKVB6和EngineSDKVC＋＋</STRONG></P>
<P ><STRONG>我想问一下我是安装EngineSDKVB6好还是安装EngineSDKVC＋＋好</STRONG></P>

这个放一起的话可以都选择嘛