向下兼容

它作为JPEG的升级版，向下兼容，具有比JPEG更高的压缩率，同时具有一些新的特征。

As the upgrade of JPEG , the downward compatibility of it has more efficient compression and some new characteristics than that of JPEG .

记录单倍格式（单倍压缩比？）的文件，将不支持向下兼容的数据流。

Please note that Single Rate files do not support backward compatibility streams .

为了向下兼容各种传输端口，改进SLIP协议，增添了数据校验；

As to support various kinds of transmission ports , we add data check-up to improve SLIP agreement .

如果我先在分布式平台上安装MQV6.0，那么它是否向下兼容？

If I were to install it on my distributed platforms first , is it downward compatible ?

再利用激光通信终端的APT（Acquisition，Pointing，Tracking）系统的硬件完成全自动灯光通信的功能，使其在能进行无线激光通信的基础上还能向下兼容常规的灯光通信。

Using laser communication terminal APT ( Acquisition , Pointing , Tracking ) system hardware to realize automatic light communication function , can make it compatible with conventional lights communication on the basis of wireless laser communication .

FGAC完善了TRBAC模型的时间性约束和触发器机制，建立了向下兼容的细粒度访问控制模型；

FGAC improves the time constraint and trigger in TRBAC , and constructs compatible fine grained AC model ;

同时由于中国当前高清电视节目资源的不足，向下兼容标清电视信号的机顶盒无疑会更受消费者的喜爱。

But due to the lack of HDTV program resources nowadays in our country , consumers would undoubtedly prefer STBs that also support SDTV signals .

而这个项目仍然可以用2005打开，它是向下兼容的。

The project file is actually still backwards compatible with VS2005 so you can still open it there , the solution file however , is just one way .

当产生新的需求时，可以在这个基础上有后续的功能扩展，不用涉及到结构上的大调整，较大程度的保证了向下扩展兼容的可能。

When generating new demand , you can follow up on this basis function expansion , does not involve major structural adjustments to ensure a greater degree of compatibility may be extended downward .